Can Someone Help Me? I have a realationship problem!?

Oka...She used to love me is what i know...but now i can barely get ahold of her and she is antagonizd and has things thrown at her...her dad went to the hospital for staph infection but i dont know if she knows....i am constantly praying for the staph infection to leave him and enter me cus i feel i deserve it...and she seemed sad when i talked to her and she usually says she loves me before she hangs up but she hasn't for a couple days...i m confused because i am not skilled in wat happens to girls...can someone help me?