Most Helpful Girl
He's crushing on your which is not equal to being in love.
You'll know he's in love when you actually start dating and getting to know each other and your feelings are clear. He will wanna spend quality time with you, have different types of convos, will want to known your personality and will make real efforts for the relationship and to make you happy
You know He loves you after the honeymoon phase is over, after he's gotten to know your flaws and insecurities, and after he's seen you at your best as well as worst, and if not worst then in bad times, and He still has feelings for u, wants to spend time with you, wants a future with you, treats you respectfully etc