Last night around 1:15 AM I woke up to check LINE because my phone vibrated and I was sweating. Hands were shaking too.
Wasn't able to sleep after that. So confused.

Here's what happened: yesterday after work, around 8:30 PM, I bought dinner near the soi and went back to my condo in Samut Prakan like usual. When I got to the room I grabbed my boyfriend's phone to plug it in to charge (he let me borrow it because his internet's slow, so I was using his phone) and a LINE notification popped up — a photo of him with a woman at a club. Blue neon light casting shadows, his hand on her lower back. They looked a bit drunk, playful faces, and there was a paper cup in the corner of the shot. I stared at it for maybe 30 seconds and my heart was pounding so hard. My hands were shaking with my cat-keychain as I pressed the elevator button in my bag.

I didn't want to go digging into his chat, but I opened it anyway because I'm possessive? Or because I really wanted to know. It felt awful. I was going to call him right away but he replied that he was at an ice shop with friends and would get home late. When I called and asked who was in the photo he said, “Just a coworker from last week. She was drunk so we took a picture,” all casually, without explaining more. He also said it was just a group photo even though the frame only showed him and that girl. Like, what the heck.

I asked why he didn't tell me and he said he didn't think it was a big deal, and told me to stop overthinking. Am I overreacting? Or am I just insanely jealous? For real. He used this light tone like he didn't want to get into it and now I feel worse, because if it wasn't a big deal he'd have told me, right? I kept thinking about it for like an hour and a half before I crashed exhausted.

There's another small thing bugging me: about two weeks ago he came home late saying he went to a friend's concert. I didn't check up on it then, but someone commented on his Facebook photo, “What a fun night, see you again,” and I don't even know if that person is actually a friend. I just wanted to know, but suddenly my heart sped up and I couldn't handle it.

I'm 28, work as a shop staff, not a college kid anymore, but sometimes I'm afraid if I ask too much he'll get annoyed and leave me. I don't want a small thing to blow up into a big fight. I want to talk without being judged, but what should I do? He doesn't open up much. Should I just trust him for now or bring this up directly? T_T hahaha

First time posting a thread, sorry if I did anything wrong. I'll update later.