Yup, that one definitely sounds like Erin's story. But if it isn't, read it anyway - along with the rest of her wonderful work.
Some of my own stories seem to fit your brief.
LabRat
Athos: If you'd told us what you were doing, we might have been able to plan this properly. Aramis: Yes, sorry. Athos: No, no, by all means, let's keep things suicidal.