That's what I would do if I were you.
3 seconds sound clip from the Elf (2003) movie soundboard.
You can hear this line at 00:42:45 in the Blu-ray version of the movie.
Quote context
[...]
- What he needs is to be nurtured.
- I see.
- So, um, you'd like me to breast-feed him?
- Walter, just bring him home. Introduce him to Emily and Michael.
- And once he comes to terms with reality... he should drop the elf thing and move on with his life.
- That's what I would do if I were you.
- Oh, my God. Walter, this is wonderful. You... You have another son.
- Wonderful. Gosh, I guess I never really thought of it that way.
- It's a little complicated, but it's nothing that we can't handle.
[...]