All you need is

Please, the last thing I need is more maths

I just learned this in math and I'm so glad I did so that I could understand this joke

disfunctional love
.
.
get it?

This works surprisingly well!
Or should I say...
This functions.

Math?

And a machine gun (as in nerdcubed Eurotruck road trip reference XP)

More math? Ugh