Jim and Pam are engaged - and pregnant! Well, Pam is pregnant. But Jim played a role in that.
Added:

The Office Season 6 Episode 1 Quotes

Jim: You gotta figure this out.
Andy: How?
Jim: Have sex with a woman.
Andy: Oh, yeah!
Jim: Then a man. Then compare.

Andy: [on gay rumors] For the record I prefer women, but off the record, I'm kinda confused.
Jim: Really.
Andy: The evidences are stacked against me.