Conversations With Bud

Me: Nice day, Bud.
Bud: Looks like rain.
Me: Not a chance.
Bud: You sure?
Me: Positive.
Bud: Well, did you check?
Me: Yes.
Bud: Hmmm...what's with the dark clouds?
Me: There's not a cloud in the sky.
Bud: Human, it might be time for those glasses you mentioned...