Why am I do tight? I tried to stick my finger up my vag and although I could get it in it was so tight I had to force it up. I was wet and aroused

Vagina. I would talk to your doctor and have a complete physical exam. If you are too "tight" an option may be vaginal dilators they may be purchased online.
Vaginal dilators. If you feel you are too "tight", you may consider using vaginal dilators. They may be purchased online.