A: I hate brushing my teeth.
B: It's such a chore.
A: Brush, brush. Spit, spit.
B: What did they do in the old days?
A: They brushed with their fingers.
B: They also ate with their fingers!
A: Why do they call it the good old days?
B: Maybe because they didn't have to brush and floss.
A: Who invented flossing?
B: A dentist, I'm sure.
A: I hate flossing more than brushing!
B: I can't wait till all my teeth fall out.