If you give MovieBob a cookie, he’ll want more cookies.
If you give MovieBob more cookies, he’ll start to gain weight.
If MovieBob gains weight, he’ll have a higher chance of contracting diabeetus.
If MovieBob contracts diabeetus, his brain starts to turn to mush.
If MovieBob’s brain turns to mush, he’ll lose his ability of self-awareness.
If MovieBob loses self-awareness, he’ll start spewing crazy crap on Twitter.
If MovieBob starts spewing crazy crap on Twitter, other people will follow suit.
If other people follow suit, Trump wins two elections.