The point is I intend to undertake this. And I'll do it with or without you. So if you're scared, if you haven't got the stomach for this, let's get it out right now! And I'll go on my own. If not, you can get onboard and we can get to work! Now, what's it going to be?

Annotation

Jerry tells George to either join him in planning the roommate "switch" or let him go it alone.