Note to self- Kids are unpredictable. Do not include them in any serious moment (like a proposal or wedding) unless you are prepared for them to upstage you.
We've seen countless videos of weddings where the flower girl or ring bearer stole the show, but this may be the first video of a proposal that was upstaged by a potty-training toddler who didn't want to wet his pants.
Good for him.
Oh, and the video is safe to watch... which is good to know when this kid hits school. Or gets married himself someday. He'll be grateful for the special effects!