What does it mean when a guy (aka my crush) reacts to my instagram story (a selfie) saying « looks cool » ?

there's this guy I met on one of my last trips we kept in touch we flirted a lot together in real when we hang out together during my trip he often reacts to my instagram stories lately i posted a selfie, he reacted by saying looks cool What does that mean? I may be getting ideas as it's my crush

What does it mean when a guy (aka my crush) reacts to my instagram story (a selfie) saying « looks cool » ?
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