The best way to make a weak point is to repeat that point over and over.

Example: My colleague Jacob enjoys a drink now and again. He’s clearly not an alcoholic. But if you show him repeatedly drinking, like so …

anim_2464898b-09ee-45c4-d101-786c22076090.gif

… then it looks like he actually does have a drinking problem.

There he goes. Another drink. The man loves a daiquiri, I tell you what. How does he keep drinking like that?