<human>: Can you give me the gist of the text in a nutshell?

I've been in a happy, healthy relationship with my boyfriend Jack for almost 2 years now.  We met through mutual friends, and were friends ourselves for a short while before we started dating.  He makes me very happy and I can see our relationship lasting.

Peter is one of our mutual friends.  I first met Peter 4 years ago when I started university (we were in the same course at first, but he transferred out), while Jack's known him for 2 years.  He's part of our mutual friend group, and we've both known him since before we were a couple.

Long story short, I recently realised I've developed a bit of a crush on Peter.  Now I would never be unfaithful in a relationship, but I still feel guilty for this.  I also feel super awkward about it since it's a mutual friend.  How do I get over this stupid crush?
<bot>: Despite being in a fulfilling relationship I would like to see lasting a long time, I have developed a crush on a mutual friend.  I feel guilty and awkward.  How do I make this go away?