Derek shrugs, because he's already accepted that. It took a lot of proverbial teeth pulling and some failed, misguided attempts on his part, but he understands that now. There are always going to be things that are out of his control, and it ultimately does more damage to him when he tries to control them than when he just accepts it for what it is and just lets it go.

Sometimes, you just gotta let go before it swallows you whole.

"If you wouldn't mind. I'd hate to tear you away from your drink."