Symptom: Feet cold and wet, glass empty.
Fault: Glass being held at incorrect angle.
Action Required: Turn glass other way up so that open end points
toward ceiling.

Symptom: Feet warm and wet.
Fault: Improper bladder control.
Action Required: Go stand next to nearest dog. After a while complain
to the owner about its lack of house training and
demand a beer as compensation.
-- Bar Troubleshooting