Knock knock. Who's there? Alpaca.

Alpaca who? Alpaca the bags, we're going on vacation!

Knock knock. Who's there? Silence.

Knock knock. Who's there? Silence.

Knock knock. Who's there? Interrupt

tion. Wait, no. I'm not going to finish the joke. I'm just going to leave you hanging like this, because that's kind of like life, isn't it?