I joined and still use TH because I wanted to store my characters, info and art. I had tons of artworks back then which I wanted to share and upload to profiles, do things more organized etc.
The interactions and forum is also a reason. Sometimes the site and community kinda sucks.. but the ones who ruined the experience for me completely are blocked so.. it's pretty chill for me.<:
And same like Punksoda , my OCs are pretty much the only things I have in my life. They give me so much joy. It's great to have a website were all those people who are similar with their interests come together.