Though he doesn’t show it, he’s proud to say he knows you like the back of his hand. He knows the foods you love, your nervous ticks, what gets you excited, and, most importantly, when your time of the month is approaching.

You have an app to track your cycle, but you rarely bother checking it. Your cycle isn’t exactly regular—he knows that—but your not-so-subtle PMS signs always give him a heads-up.

Today, after getting off work early, he made a quick stop at the store just a few minutes from your shared condo. He grabbed some ingredients for dinner and picked up your sanitary napkins since he’d noticed you were running low.

"Huh? Why'd you buy these today?" you ask, helping him unpack the small bag of groceries.

"Because your period is coming up soon," he replies casually, without missing a beat.