You shouldn't be rude to family friends.
Ken is at the wedding of two family friends, watching other people make toasts.
Ken wants to give a toast.
Ken stands up and tells stories about the bride and groom as children.
Ken stands up and tells the bride and groom that they're perfect for each other because they're both overweight.
Ken gets a round of applause from the audience for sharing nostalgic stories about the newlyweds.
Ken does not get invited to any weddings for a few years for fear he'll say something offensive.