Question: how to tell if a guy friend likes you but is hiding it?
Answer: He Finds Reasons to Talk to You. When a guy likes you but is hiding it, he'll find reasons and excuses to talk to you. ... 
He Holds Your Gaze Longer Than Usual. ... 
He's Always Available for You. ... 
He Remembers Details About You. ... 
He Invites You on Non-Dates. ... 
He Always Tries to Impress You.