I think you need to play through the scenarios.

You ask her to see her phone and she says no. Then what?

You get her phone records and she has 1000 texts to an unknown number. Then what?

M:51 W:46
T:22 M:16
S:15 D:11

“Don't chase people. Be yourself, do your own thing and work hard. The right people - the ones who really belong in your life - will come to you and stay.”- Will Smith