A/N: Do. Not. Puke.
...No, wait. I meant own. Do not own. Or puke. Because that's just nasty.
MWPP. SLASH. I don't know which year. Take your pick. Thetis is just a ramble about the intimacy between Remus and Sirius, vaguely from Sirius' POV.

Sirius knew Remus was annoyed by public displays of affection.

He learned this one day when unthinkingly he wrapped his arms around him from behind and slid a hand down his abs, down into his pants. It took probably two seconds before Sirius felt embarrassed heat flare from Remus and he shoved his hand out of his pants, stalking away angrily.

But all of the missed chances for a kiss or hug were compensated for when nobody was looking.

Sirius would press his head into Remus' shoulder and just breath him in, which was far better than getting pushed away.

Or he'd reach across under the table and link just one of their fingers together loosely until Remus just couldn't take it anymore and he'd fully grasp Sirius' hand in his own, squeezing warmly.

During class they'd sit in back and Sirius would ease Remus' annoyance of sitting in back by snaking his hand under his shirt and tracing patterns on the small of his back softly or twining their legs together.

When Remus was nervous about a test, he'd kiss the back of his neck inconspicuously and feel every ounce of tension drain from his body.

One that Sirius really like was when Remus would pull him behind a column or tapestry and crush their lips together in the least conspicuous way in the world. It was in no way soft or careful, but reckless and aching. He only did it when they had gone hours and hours without contact, so sometimes Sirius would half-heartedly avoid him, hoping he'd spring from a classroom door and drag him in.

Their best moments by far were behind closed doors, when discreet displays of love and secret touches were far behind them.

Remus had a habit of closing his eyes during sex. Not that Sirius minded. It meant he could stare unabashedly at the looks of pleasure crossing his face without Remus getting embarrassed in that irritating yet endearing way.

If Remus ever realized how enthralled Sirius was by the looks on his face when they were together, he'd probably laugh.

Sirius liked the way Remus' hips moved. Sirius was graceful by any standards, but he would always watch Remus move against him and wonder if he felt anywhere as good as Remus looked.

He also knew Remus liked to pull his hair.

And he did all the time. Hard.

Anything they were doing, Remus would reach up and tangle his fingers in Sirius' dark hair as almost a warning, and then pull back sharply so that his neck was exposed. He would trace his mouth down the length of it, not quite kissing, and then drag his tongue back up in one fluid stroke. It left Sirius shaking each time.

But what Sirius liked best, more than anything, was when he came... especially when they were facing each other.

His legs would snap taut and he'd press their foreheads together, ignoring the way their sweat mixed together. Remus would trail his hands down to his hips and dig his short nails into the sides and arch into him tightly. His eyes would squeeze together harder if Sirius said his name and he'd rasp a soft 'I love you' before dropping his head back and groaning.

That was when Sirius realized that he could live a life deprived of public anything just to see Remus' glorious face like it was in those moments.

He never planned to need him so badly, but he couldn't find it in himself to mind all that much.