Guys, if I stop giving my crush so much attention would that make him step it up if he really likes me?

I've been looking at this cute guy for a while and he always looks back at me and we lock eyes, this eye contact is much longer that just normal eye contact. i also catch him looking at me a lot so i know he's not just looking at me when i look at him.
But he never makes a move or anything, so i have no idea if he actually likes me... so i figured if i stop giving him so much attention he should react in some way to it if he really likes me right?
Guys, if I stop giving my crush so much attention would that make him step it up if he really likes me?
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