I floss when I eat something that sticks in your teeth, and sometimes just when I generally feel like a really good clean.
BTW how often should you go to the dentist, just for check-ups and shit. I honestly haven't been since I was like 8. My teeth just haven't posed me any problems ever.
Except I still have a few baby teeth which I think is extremely weird and should be checked out, but mum and dad both had the same thing and so does my sister so it might not be so abnormal for me. Idk. It doesn't cause me any pain so I hardly think about it.