<human>: Can you provide a brief rundown of the text in within 3 sentences?

Sorry, I didn't know how to word the title very well. We started dating about 2 years ago. Now before you start judging, I could say we're a more mature couple than most mid-aged couple are.

 We get into arguements every now and then because I see her snapchat other guys. Not a big deal, I know for a fact she wouldn't cheat on me. 

Recently she hasn't been in a very good mood. She's been wanting to be alone. I feel like I'm losing her and honestly I don't want to. Ive never done anything to hurt her and she's never (intentionally) done anything to hurt me.

 whenever I'm around her lately she's not in a good mood. I feel like she wants to break up with me but she's too scared to hurt me.

 It's currently 2 am and im trying to get this all out so I apologise if its pretty scattered. I don't want to let her go but If she wants to break up, ill allow it. I just need advice on how to deal with it. She is my first real relationship. I wouldn't know how to cope from the aftermass of us seperating.
<bot>: I need advice on how to remain in a falling relationship or on how to deal with a break up if it so happens.