<human>: So, yeah. We'll have been together six years early next year and about 5-100x a day for the last 4 years, I think about proposing. Prior to her, I would tell girlfriends, and from then it just became a slow countdown to when I either became a novelty/hookup or they would break up with me outright.

 I performed for about 5yrs and actually stopped performing a short while after I met my current GF, because I felt like I found the person that understood me. We'd known about each other for a while before dating, and she admitted she had heard some things about my personal (not professional) sex life from mutual friends a few months into the relationship. She once asked me how many people I'd been with a few years ago, and I asked her if that was something she really wanted to know and if it was, what purpose would it serve. I didn't tell her and she hasn't brought it up since. But I feel like if somehow it was revealed later in life, she would feel betrayed or something of the sort. 

We've been together through losses of parents and the resulting mental health issues, relocations and job changes, graduate school programs, and a lot of things that I think make a relationship grow and strengthen. This is the biggest thing she doesn't know about me and I don't know if sharing that part of my life would be something that kills the relationship. 

Should I tell her; or just hold on to the secret and hope she doesn't find out?

Give me the gist of the text in a nutshell
<bot>: I used to do live sex shows/porn, and my GF of six years doesn't know. I want to propose; should I tell her?