What does it mean when you keep having to pee?

See below: Frequent urination can be due to many reasons. Bladder infections, small bladder capacity, too much fluid intake, lack of concentrating ability of the kidney. Consult your doctor.

Many possibilities: Possible causes include drinking lot of fluids; esp caffeinated; a bladder infection; diabetes; and anxiety. Causes vary by age and sex. Those details would help. Older men can have enlarged prostate cause this, older women can have weak bladder support from childbirth. In most healthy adults who are not drinking too many fluids, it is anxiety causing bladder to sense fullness when not full.