just because that's on your barbecue apron

[curiousmarcus]

The exchange starts at 3:38

Mom: Okay, honey, here's Charlie's schedule. It tells you when to feed her, when to change her, and when to put her down.

Dad: Sweetheart, would you relax? Big daddy's got this all under control.

Mom: Okay, just because that's on your barbecue apron doesn't make it true.

What's with the barbecue apron? How is that funny?

Source: Good Luck Charlie season 1 episode 1.

 

[Tarheel]

She is referring to a humorous saying that is on his barbeque apron. And no, it's not all that funny.