SHMAC: No. She’s someone I’ve known for a long time, and now she’s back. SHMAC: And she is married. MARIE: To you? SHMAC: Depressingly, no.

Then again, other times friendship is made of betrayal, and heartache, and spending two years trying to forget that you blocked the number of someone whose take-out orders you used to have memorized.

“As it turns out, the higher your aerobic fitness, the healthier your hippocampus.

My train of thought fades as I notice Levi is not just hugging Tim. He’s also gripping his shoulders tightly, fingers digging painfully into Tim’s flesh as he murmurs something in his ear. I can’t make out the words, but by the time Levi straightens back up, Tim’s mouth is pulled in a thin, straight line, his face is milk white in a way I don’t rem

You and Levi. Because, Bee—oh, Bee, he was obsessed with you. The second NIH nominated you, he had to make BLINK happen.

I stare at him. And stare at him. And stare a little more, open-mouthed. I stare at this man who is six four and two hundred pounds of muscle and just vented to me for five minutes about the fact that space is a scary place. God. Oh, God. I think I like him. “There’s one single format in which space is tolerable,” he says. “Which is?” “Star Wars mo

Levi is standing in front me, still icily furious but more in control. Like he counted to ten to calm down a bit, but would gladly go back to one and flip a desk or three.

He repeats the only word he knows. “Impossible.” “—find a solution that—” “No.” I’m about to praise the sudden variety in his vocabulary when Levi interjects. “Let her finish, Mark.”

SHMAC: I know what she loves to eat, what shows she watches, what makes her laugh, her opinions on pets. I know her dislikes (aside from me). I’ve been cataloging a million little quirks of hers in my head, and they are enchanting. She is enchanting. Smart, funny, an incredible scientist. And . . . there are things. Things I think about. But I’m dr