Could they really be said to be breaking physics when they've never been constrained by them in the first place?

Gabriel gasps into the kiss as he felt Lucifer tighten around him, some bit of himself trying to return the favor a small amount although he's quite certain that his big brother intends to be the driver.

He eagerly rocks against Lucifer, even as his arms go up to drape themselves over the back of his brother's neck. So far as he's concerned, they could return to the bed at any time now.