Hi if you read Parts 1&2 you know my Neighbour Greg fucked my wife Liz with my encouragement , not that there seemed much was required now. I was now returning home to watch my Wife Liz and Greg fucking 3 or 4 times a week in the evenings even tho I was working all hours 7 days a week. I was making a trail thru the grass in the field where I was making my way to the back of our garden, standing to watch thru a gap between my shed and a tree , as the action hotted up, I hopped over the fence to get closer an stand in the shadows of the garden. I was now seeing Greg getting more adventurous with Liz, some nights she would be naked waiting for him , or dressed in stockings, matching suspenders, bra an g string, some of these I had never seen before so I didn't know if Liz was buying them or if Greg was. I was seeing Greg have Liz in the kitchen on the worktop or bent over it ,on our dining table , over our sofa or on it,as well as on the floor, I was chatting To Liz and she mentioned going Horse riding at a stable very close to us with access to a Forest and Heathland, a hobby from her younger days. I also knew Greg had had some lessons when he was married to his wife, she said she had arranged to go out on a friends horse that Saturday afternoon, so I gave her my blessing telling her to enjoy it. I looked at her calendar and she had put a time down, I had decided I would go and take a look at the stables about a hour or so later that Saturday. I went along , surprised to see no one else around as Liz an Greg had just rode in and were soon brushing down the horse's, mucking out and feeding them, the stables were within a large barn, so I made my way over to the barn hidden by the various bushes and trees surrounding the yard. I was peering thru a gap into the barn as they both finished attending to the horse's there were a few hay bales piled up on the barn floor, with various tackle and horse rugs dotted around the barn some hung up. I saw Liz laying some rugs out on the hay bales. While I had been watching I couldn't help but notice Greg had some briefs on under his jodphurs. I knew Liz always rode without any undies under her,s as she says they rub, I could see the outline of Greg's cock getting larger by the minute. I heard Greg tell Liz to get on the hay bales, she obliged an knelt on all fours, Greg went over to her pulled her jodphurs down to her knees to reveal her lovely bum I saw him pick up a horse whip. I saw Greg begin to whip her bum, Liz was biting her lip enjoying it, as Greg stepped out of his boots pulling his jodphurs an briefs off an pulling his shirt off over his head, his cock was now stuck out like a iron bar in front of him. He gave Liz a couple more stripes her bum now red, her face red , I knew she was near to cumming as he bent to kiss an lick her bum, Liz was loving this as she licked her lips . Greg then knelt up behind her rubbed the head of his big cock in the juices running from Liz ,coating the head before holding her waist an slowly pushing his cock deeper till he was buried inside Liz's warm an wet pussy, he soon began to get a steady action going. I again noticed that Greg had not given a thought to using a condom as in all the previous occasions I witnessed, I thought well if Liz isn't pregnant now she soon will be. When I have tried to have my marital way with her lately I had noticed she was coming up with a excuse not too, I assumed she had made up her mind to have Greg as the baby's Father. I looked on as Greg was going deeper into Liz's pussy her face gave away that she was loving his long an thick cock pounding her pussy and Greg was obviously enjoying it by his face and the number of times he was now fucking Liz. I had realised that all the times I had seen them fucking he had put at least two loads of his potent baby juice inside my willing young wife and there were many times I hadn't seen them. I suppose Greg was now in the ideal position , he was now single, getting all the pussy he wanted with his next door neighbour, putting a baby in her belly without any cost or thought of having to bring a child up. I was now about to hear Liz scream as she had a huge cum setting Greg off his arse frantically pumping his cock deeper into Liz, till he to gave a loud groan as I watched his arse clench an release as he pumped Liz full of his warm cum. I saw Greg hold her as he gave every last drop , he pulled out to kneel in front of Liz now his cock wet ,glistening in the light in the barn as her mouth opened to lick an suck it clean for him . He asked Liz what time I was home tonight she told him I had said 10-30pm, as Greg smiled saying you better come round to mine tonight an I will fuck you in the shower , Liz smiled as she finished cleaning up Greg's cock. I then watched as Liz supported her back as she stuck her legs in the air for a minute or so, Greg grinned as Liz said I want your tadpoles swimming the right way . I was surprised to hear Greg say will Steve be alright about you having my baby, Liz , as she said he is not going to know but I will make sure you are the Godfather Greg, so you will still get a excuse to see him or her and come along to the birthday parties. I decided to leave at that point with my thoughts, my own cock still hard from watching them and knowing I loved watching Greg put a baby in my young ,sexy wife , an knowing it was like a drug to come back an watch them together the next time. TBC I do have some more to tell of their adventures so if you enjoy, watch this space, thanks, Steve