How can I support my pregnant housemate despite my own fertility challenges?

October 3 |
@offbeatfamilies runs these advice questions as an opportunity for our readers to share personal experiences and anecdotes. Readers are responsible for doing their own research before following any advice given here... or anywhere else on the web, for that matter.
Belly toon 1 copy
Photo by lilMissSweetness.
Our housemates moved in in January of this year for "three weeks"… and they're still here. This was fine with me until last week when she announced her surprise pregnancy. We've been struggling with our own infertility issues, and now I find myself insanely jealous of her and her pregnancy.

I want to be supportive of my housemate, but I'm having a difficult time — even though I am genuinely chuffed for her! What can I do to stay chill and support her? — Belladonna

How have you supported your pregnant friends, family, and housemates while dealing with fertility challenges or delays?