I agree with el_em_en_oh. The stories are IDENTICAL, only from the other persons side.
If you're worried about it being "too big" then the best answer I can give is to stop trying to stretch it. As for if he doubts you, he might. But if you stop trying to stretch yourself, over time you will be come tighter again.
You wouldn't happen to be involved with 'fisher01' would you?
Your story sounds eerily familiar...