Meeting the new girlfriend's sister

Have you ever dated a girl long enough that you get that sister meeting? You know, the sister sits you down. Talks to you. Checks you out.

After a while, she says, “I guess you seem all right. But let me tell you something. If you hurt her…”

And they trail off. Threateningly.

Does it ever make you want to –

I don’t know –

Cheat on her, get caught, persuade her to take you back, set up a date for the weekend, stand her up and then dump her with a text message just so you can go up to her sister and be like:

WHAT?!?