Like it or not, love tends to make everything more colorful. Suddenly, trees are supergreen, roses are red and the skies are as blue as blue can be. (There are clouds, but they’re the wistful, fluffy kind, and definitely not signs of a coming storm.) It’s only natural that the hyper-optimistic “What a Wonderful World” be played at celebrations of love. And who doesn’t like Louis Armstrong? But on the happy couple’s special day, it sounds more stereotypical than, well, special. And besides, everything’s not always perfect, even on one’s wedding day. Like, who brought that baby that cried during the entire ceremony? And why is Uncle Joe hitting on the bridesmaids? And …