Quote Originally Posted by th3_kinkst3r
How does lube end up causing stomach upset?
Water based lubricants almost all contain glycerin. Glycerin happens to be a fairly powerful laxative. I don't think I need continue.

Repeating a Q: Are balls with paint on them safe to put in your mouth btw? Or should I wrap them with something first, like plastic bags?
Depends. What kind of paint are you talking about? Latex? Oil? Pastel? What kind of balls? Wood? Tennis?