The second time would take me longer, the third even longer, and if I was able to get another erection it would take me even longer, and sometimes I w...ould not orgasm at all. That was very frustrating. Being aroused and having an erection and not being able to cum. The times I could not get an erection but was in a sexual situation I would be aroused, one can be turned on but not get hard, and if my flaccid cock was being played with I could still cum. It would take a long time and my cum. Julia hesitated, but Carol wanted the damned bike fixed so she immediately answered, "Yes please. The rear wheel won't spin, but the brakes are open so I don't understand."I stood non-threateningly on the other side of the bike from the girls and said, "Let me have a look."I picked up the rear end, tried to spin the wheel, and it didn't move. "Hmm, you're right." I bent down to look at the brakes, poking them with my hand, saying, "They're open. There doesn't appear to be any mechanical reason. He felt his juice rising. He pushed into Dave as far and as hard as he dared. The tight ring on his cock was making his muscles work. And then finally on a deep inward stroke he shot a load of cum deep into Dave. The pressure it took to emit the thick fluid was enormous, almost painful. The cum felt like it was hot as it shot down the tube in his dick. His whole pelvic area was pumping his cum deep against the soft smooth walls of Dave's ass. He ejaculated five or six times into him, each on. I was hesitant but agreed in the end.My friend’s mom slept on the sofa facing down and asked me to massage her back. She gave me oil and lifted her gown up and lay down. The hot milf was wearing just a pink pantie and her round ass was looking amazing. I controlled myself and started massaging slowly. She was letting out slight moans. I was getting turned on by hearing that and already had a tent growing in my pants!After some time, she stopped me. Then my friend’s mom got up, removed her gown.