Going to festivals without SO?

Long story short, I got into the festival scene only in the last few years. (Portola 22, 23, hopefully 24, EDC 24, and coachella 24). Person I am dating used to be into it in her early-mid 20s but is now kind of over it. She encourages me to still go, but I feel like shit for going without her. I still have fun and have a good time, and still plan trips with her. Just something new to me I guess.