When you're agreed with prototyping sdlc then suddenly it became waterfall model.

"I'm thinking there's some lack of additional features that might be needed by our clie-"
"NO! CAN THE SOFTWARE WORK? WE NEED TO RELEASE TOMORROW "
"Yes it works ok deliver tomorrow"

Fucking cheesedick hobo here comes another deployment Friday that tops another nice fucking shit on your degenerative brain to come up with such a plan