Question: how to know if she is falling in love?
Answer: She contacts you more frequently. This is an indication that you are starting to occupy more of her mind. ... 
She checks up on you. ... 
She is more touchy. ... 
Her Eyes light up. ... 
She plans the future with you. ... 
She wants to introduce you to her family and friends. ... 
she asks for your opinion. ... 
She wants to do things together.