Question: how to know a guy is falling hard for you?
Answer: The look of love. When a man is falling for you, he'll look at you a certain way. ... 
He only has eyes for you. ... 
He goes out of his way to do favors for you. ... 
He shares his interests and activities with you. ... 
He values your input. ... 
He contacts you first. ... 
He wants you to meet his family. ... 
He shows concern.