Need “Relationship” Advice!!

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i will keep this as short as i can lol....and please no negative silly comments just honesty please, so 9 years ago i had an affair with a man who i fell in love with and he did me, i had a child with another man and i couldn’t carry on so ended it and carried on having a relationship with my child’s father, biggest regret of my life but at 19 years old it was difficult and i cut the other man completely out of my life to make things easier...anyway i went on and had another child i guess in hope it would help our relationship but it actually ended it for good....so anyway 4 years later i decided to contact the person i had an affair with only just for a catch up etc which ended up with him coming to mine one evening....the minute he walked through the door i knew that feelings had never left, we spoke and caught up and it led to having a kiss, for weeks we was talking and i went over to his etc and yes we slept together a couple of times...anyway 2 months in i realised that i didn’t just want sex i wanted what i should of had 9 years ago so stupidly got drunk and told him exactly how i felt...he then told me he has feelings for me, enjoys spending time and seeing me etc but due to our past he doesn’t think things would work, he would find it hard to take on my kids and he feels second best because i cut all ties and left him, i explained myself and he can forgive me and completely understands why i did what i did and the convo went on to, how would we have kids if we got together (iv had a hysterectomy but still have ovaries) i explained i can have them just can’t carry them and he was shocked...but the main reason for not thinking we can work is my ex because he will always be apart of my life because of my sons.....anyway we left it at that and didn’t really speak for a week or so....we then spoke again and some how god knows how agreed on becoming friends with benefits! this was working perfectly fine until i realised i couldn’t do it so told him and again said it’s because of how strong i feel about him i can’t just have sex and nothing come of it....he was fine with it and we carried on talking as friends, i have no idea how but i ended up at his and again we slept together after he said he wouldn’t do it because of how i feel!! so 4 months down the line we are still seeing each other BUT since i have not spoke about anything or about us he has been so different, the sex is passionate and not like just sex if that makes sense, he asks me to stay at his, he strokes my hair, face etc, he slaps my bum, comments on how certain parts of my body are etc etc....i still didn’t look into things to much, he went to germany on a work conference and i made a joke about buying me duty free skittles (my fave) not thinking much into it he went and bought them for me! small things but that meant so much! since then he has messaged me everyday even if it’s just to moan about work lol, the icing on the cake was last night....i asked him to come over in which he did bringing my fave wine and my eldest son was home....youngest at nanny’s, he met alfie and they got on well which melted my heart, he then introduced himself to my neighbours and had a chat and laugh with them! they said to me this morning that it’s from there view def not friends with benefits it’s clear there’s more to it from him as well but what do i do!? i can’t keep pestering him with feelings as that’s when he runs but at the same time as nice as it is i can’t wait forever when i want a relationship with him...so yeah sorry for the essay but what do you all think?? xxxx