Does he initiate conversations with you even when there's no specific reason?
Does he remember small details you told him?
Does he often find reasons to be physically close to you?
Does he seem genuinely interested when you talk about your hobbies or passions?
Does he compliment you in ways that feel personal, not generic?
Does he make an effort to spend time with you, even if he's busy?
Does he tease you in a playful (not mean) way?
Does he seem to get a little jealous when you talk about other guys?
Does he mirror your actions or speech patterns unconsciously?
Does he look at you when he thinks you're not noticing?
Does he react positively to your jokes, even if they're not that funny?
Does he offer to help you with things, even when he doesn’t have to?
Does he seem to prioritize you when making plans?
Does he find excuses to text or message you frequently?
Does he seem to genuinely enjoy being around you, without needing distractions?