1: get used to the idea it may be over

2: when people talk about their issues often it's an attempt to control you (concisely or subconsciously) by making you feel guilty.

3: If she said she loves you and you haven't said it back (say it back after she says it a couple of times not right away and only if you mean it) she may think you don't care and be moving on/gaming you to get you to say it.