<human>: Give me the gist of the text in a nutshell

Reddit-

I'm asking you, because I have nowhere else to turn.

I have been dating a wonderful girl for the last 8 years. We met and fell in love in college. She's beautiful, smart, and truly the woman of my dreams. I have never seen myself with anyone but her. Her family is great, and we share many of the same friends. I proposed to her a year ago, and the wedding is scheduled for the end of September. In short, life was perfect.

Over the last year, she's lived in another state. She started a new job, and I've been working on transferring to her city. We see eachother maybe once a month, and our times together are the happiest I can remember. However, I have strayed. I have done everything but have sex with 3 different girls during bouts of alcohol and poor decision-making. I have never had feelings for these other girls, and simply wanted to experience some other things before tying the knot. After all, we met very young. That said, I accept that what I did was terrible, and have no desire to ever stray again.

She just found out about the situation, and it's tearing her to pieces. I love her more than anything, in spite of what you might say. I desperately want to make this work, but I'm concerned it may be over for good. Can anyone provide helpful advice on the best steps to begin to rebuild trust and save our marriage? Thank you.
<bot>: I'm a miserable shitbag who cheated on the love of his life. How can I repair the damage a month before the wedding?