The context of the following conversation is Taylor had borrowed Alex's bike to go to the store. Taylor left Alex's bike behind when they went inside.:
Alex says Do you need my bike at all?.
The friend responds Actually yeah I would love to use your bike because mine is acting very weird..
Alex responds Okay no problem, but I have to wait for Taylor to give it back when he is done..
The friend responds Okay great. I think I saw him leaving the bike right here as he went inside of the store..
Alex responds I am not sure he should have done that though..
The friend responds Why not?.