You don't want to cock an eyebrow around Amy. You might never get rid of her. Just like Sheldon. But then again, there's nothing left of Sheldon these days. He's just Amy's pet boyfriend. I wonder if Ricky gets jealous.

I think the clearest evidence of how deeply Leonard loves Penny was giving her a ring with a repurposed drill bit in a Tiffany box. Lying to your fiance about her engagement ring? That's true love, isn't it? No, that's a doomed relationship. Though, happily the episode included very little evidence of Amy Farrah…