<human>: Can you give me a shortened version of the text?

I just found out tonight that my girlfriend of almost 1 year cheated on me. I don't know how to react to this.

Some simple back story: This is my first serious relationship. We basically hit it off from the start. 

We've become incredibly close in that short time. I know this isn't the longest amount of time to fully establish a relationship but whatever, it was working for us.

Anyways, cut to tonight. She said that she was going to a party with some of her girl friends. No big deal. I trust her. It's happened many of times before where she went to a friend's place, got drunk, and nothing happened. 

Tonight was no different than every other night.

I received a phone call from her a couple of hours ago to her sobbing. She was going on about how she wants to be with me, and how she really loves me, and how she wants to work through her moving away for another college. What is going on? Why is she telling me all this while sobbing? What happened?

She then dropped the bombshell on me. She cheated on me at the party. I don't know who, I don't care to know yet. I do know why though.

I'm not exactly the best in bed. I know this. She obviously knows this. She always told me. "Don't worry about it. We will work on it." Okay. We will.

The thing that has me really bothered was that she said she was sober. This is the part that hurts the most. Whether or not it's true. I don't know as of right now. If she were drunk I feel like it would lessen the shock but she wasn't. She knew what she was doing.

I don't know if I can still trust her. I want to but I don't know. If she did this now, what will happen when she moves 2 hours away and I won't see her almost every day.

I'm going to talk to her tomorrow and try to work things out.

Any advice on what to do? Should I try to mend this relationship or move on?
<bot>: Girlfriend of 1 year cheated on me at a party sober because I don't satisfy her sexually. She is moving 2 hours away in a few months. Should I try to trust her again or what? Any advice is helpful.