I'm secretly reading my now ex-gf's messages
Why do you read the messages? Do you want to get back together?
No, I just like to look at her body sometimes
If you are broken up you should not read their messages and move on in your life. You should find someone new to date or if you want try to get back with her.
I'm reading them cause I want to find out how to get her back.
You broke up for a reason and she has moved on. You need to take your time and get over it but realize she doesn't want you back as painful as that might be.