My girlfriend's sexy finsta and visible nipples are now bothering me, which also bothers me!

Q:

My girlfriend is very body positive and sex positive and I love that for her. But I also feel uncomfortable with some of it.

Like, she has very dark nipples and often wears completely see-through shirts without a bra. Not just to queer parties or at night, but out to breakfast or to the park. She’s had a sexy ‘finsta’ for a while and I follow it and when we were first dating, I obviously liked what I saw on it. But I thought she’d stop when we became exclusive a few months ago. At first she did but then she posted a sexy pic on it last week and I felt immediately awful.

We got into a fight about it. It’s just her friends who fo...