The eternal C++ struggle summed up in one painful exchange. You spend an hour debugging a function that seemingly does nothing, only to realize the horrifying truth - you never actually called it. Just declared it and walked away like it would magically execute itself.
The worst part? This happens to 10-year veterans as often as day-one beginners. Nothing quite matches that special feeling of wanting to throw your mechanical keyboard through a window after realizing your carefully crafted game physics engine isn't running because you forgot the parentheses.