Still meet with the older man since March 2017!

Just an update. I still meet with the older man when we are both free as he is busy with family situation as his wife is ill and I have work and things. I am meeting with him on Sunday. We have done everything so far except him fucking me as I am still nervous as his cock is too big..we tried last time but my ass was tight and he was getting soft so he kind of gave up. I don't want him to feel like I am fucking him and him not getting any action but I have told him he can meet other people but he said he doesn't. I have a lot of older men on here so I want to ask whether you don't mind being fucked and not fucking the other person or do you eventually want to fuck the other person. Also what do you like and not like doing when with a younger guy?. Any questions please ask :)