Wanting To Try To Be Fisted

I’m marred, str8 to all that know me, I’m bi, 58 yo, more on the sub side, and I have taken cock in both holes, enjoy both, a few years I meet a man on CL, I wanted to explore being a bottom, but he was a little older and had ED problems, really nice guy, he didn’t tell me about his problem and it kinda turned me off,
He was into fisting and wanted to train my hole to take the fist, I meet him a few times, last time he put me in the ceiling harness!!! That was awesome!
He had huge hands and it didn’t happen fast enough for me, today I wish I had let him practice more on me, I would ove to se a video of me with an arm deep in me...