Naya Rivera takes the reigns here on "Santa Baby." This scene was actually cut from the Glee Christmas special.
Added:

Glee Quotes

Relationships are a lot like flowers. If you find the right seed, put it in good soil, give it water and sunlight, bam. Perfect bud. And then comes winter and the flower dies. But if you tend that garden, spring will come along and that flower will bloom again.

Finn

I had sex with you because you got me drunk on wine coolers and I felt fat that day. But it was a mistake.

Quinn [to Puck]