[ How Derek manages to keep a straight face as his sons laugh at him and Stiles' jaw drops is beyond anyone, but he manages to keep the expression perfectly. Slowly, he arches an eyebrow at the reverse wingman comment, but doesn't seem bothered in the slightest bit.

In fact, that's kind of a relief. The boys can show him his haul of phone numbers from the past two years when they get back to the house. ]

You're my date for the night, anyways, Honorary Dad. [ His expression is still the same as he calmly leads them towards the next lit house. ] It'd be pretty rude of me to go around getting numbers while we're all trick-or-treating.