First time Botting

After a few encounters with older guys, and finding my submissive side with such old guys and having my ass played with but never penetrated. I needed to know what a nice feeling it would be for the feeling of a nice cock to slide into me. I posted a ad to DL and was being very selective of who i choose to be my first. They had to be over the age of 70, and super clean. so i posted my ad got a response from a guy in his mid 70s widower who stated its been a while since he had any attention and desperately needed it. so we set up a little meet and greet to see if we wanted to go through with it. We met at a coffee shop. I arrived early and sat down waited for him to arrive, freshly cleaned and showered. He arrives so sexy and handsome nice silver hair and wearing a nice pair of jeans, you could see his nice bulge in them which really turned me on. we sat and chatted for a bit and decided we were a match. so he gives me his address as i follow him in my car. we get to his house, he lets me in as soon as that door hits he is all over me telling me to drop down to my knees and undress his cock thats been waiting, now fully hard and showing the outline in his jeans. I get to my knees and start to undo his belt and his pants to then seeing the massive cock of his in my face it was about 7.5 inches and a little bit thicker. he asks me what i want and i say i want him. he raises me up and starts kissing me, says we need to go to his bed room. i start up the stairs, he tells me to strip first. so i do, about half way up the stairs he tells me to stop and bend over, all of a sudden his tongue is in between my cheeks and in my ass, he starts to get really deep in there. starts really turning me on, he then stops smacks my ass and says it is his for the night. we get to his room and he says lay face down and hands me a blind fold. my head is hanging off the bed, he starts to run his fingers around my ass and starts to bring his cock back to my mouth. as he is playing with my ass and im sucking his cock he starts to pump my throat more and more he then unleashes a large load and tells me not to spill it. I figured that was it as normally its all i get, but no he continues to tell me to keep sucking him. so i listen and do, as he continues to play with my ass it starts to loosen up a bit he says great and starts to finger my ass. it feels so great, as i keep sucking him he brings a bottle to my nose and tells me to breath through my nose ( i had no clue what is happening) all of a sudden i feel my whole body start to feel relaxed and he says good, those are poppers and you'll enjoy this cock more. to which it started to get hard in my mouth again. he says lay face down with your ass in the air. I listen and still feeling the pleasure of the poppers. I feel the lube enter my ass as he starts to slide his cock into me, i feel a sense of pain and burning as my ass is being penetrated for the first time. he starts to thrust all the way to his balls and this is what i wanted this feeling was what i thought it would be like. he starts breathing heavy and says im going to cum in you i say okay. he starts to cum and again its large as i can feel it. we go at it like this for the next 4 hours, i wish i could meet up with him agian.