The collaborative process of developing a game is what he has found most fascinating.
He told them all about his adventures in the recent past, which they found fascinating.
The third reaction was "That may not be a bad idea," which I found fascinating.
All this I found fascinating from an academic point of view, but not the stuff to spark a small child's imagination.
Maybe that was what she found most fascinating about the guy.
She could get away with this because men so enjoyed to be found fascinating by beautiful women.
One of the issues that I found fascinating was police databases.
But there was something about him that I found fascinating.
What I found most fascinating is the grace with which she lived by her principles.
There was an excitement to the Rover girl that he found fascinating.