I am going to be dirty and assume you mean interested in a 'I wonder what the inside of your pants looks like' kind of way.

On some level, he's thought a lot of the people he's talked with are good-looking, but in terms of attraction he's been attracted to Yuri and Zack, mainly because they're the only two he's half-flirted with and gotten something back. Everyone else has been more of a friendly thing, so he's never really thought any further than that about them.

So Yuri are all your hormones still in place, have they been activated yet?