You are in the following scenarios with the same chick. What do you believe is going on. How would you approach it. What tactics would you use. My friend asked me earlier and we argued about this for over an hour

I told my friend yes she is interested, he said he doesn't think so. I decided to bring it here because I can't solve this alone.
You know girl(G) for over a year.
You met her and talked to her last year for a little. She had bf, you said bye bye.
She comes back around this year, this time she is on the rocks with the bf, never sees him, argues with him ect ect ect. You hang out about 2-3x a week for a few weeks building rapport and comfort with her.
Now that thats out of the way, here you go.
One day you are just chilling and her dad asks her if you want to stay for dinner. She says it in a manner that sounds like she doesn't even want you to stay so you say no thanks an leave.
She gets mad. She WANTED you to stay.
Another day, you make her cry because you told her to make up her mind about shit, she cries and cries still texting/talking to you.
Day after, she invites you over for dinner but doesn't want to eat with her family and says she will bring you food. Yet her parents insist you go down there. Afterwards you 'test' her by grabbing at something. Such as her phone or ring or whatever and grab her hand to see if she holds back or whatnot and she matches yours. (i.e. she holds your hand till after you let go with an actual grip.) She does match you without even attempting to take it away.
SHE DOES HAVE THE BF THIS ENTIRE TIME.
Trying to help my friend out.