Here are the top 4 signs to focus on. I want to be clear here. You have to observe her behaviors and it might not be all of them but see how she acts around you in regards to these 4 signs.

#1 Becomes physical and compliments you. She finds ways to touch you and she will notice new things about you. Especially if you changed your wardrobe she will compliment and be able to notice these new things. She will also give you longer eye contact than normal. 

#2 She asks a lo