competition: When do your Eyes get watery?

When:

1.) I stare at the screen at work too long.
2.) I get no sleep, I look glassy and puffy.
3.) I want to cry, but know I shouldn't. Or after I cry, they stay watery and lighter colored the whole day.
4.) When I'm happy.
5.) Smelling onions, or sneezing.
6.) When I get shampoo in them.