I've been seeing a guy casually. He travels for work and we haven't seen each other in 2 weeks. I hadn't heard from him in 4-5 days and I knew he was really busy with work and then he texted today asking how I'm doing. While texting we figured we wouldn't see each other for another 2 weeks because of our schedules. We never exchanged Instagram and followed each other but I found his and checked this afternoon. I saw he was skiing this weekend, which isn't unusually, but he tagged a female friend in the 2 pics. Is it OK or should I text him asking about this friend and what the deal is with what he did this weekend with her or not? We're not official mainly due to us not seeing each other consistently due to work, travel schedules.