A friend asked if I could take a look at the function, which he wrote, to see if two trees are equal.

The chat conversation:

F: I sent code.
Me: *put eye on "flag and && true"
F: Hey?
F: You are there?
F: All right?!

A few hours later...

Me: Each time this function is executed, a programmer dies. Goodbye.

And so it's over.