Clever Funny Wedding Invitation Wording What Can I Put In Teachers Wedding Card?

What can i put in teachers wedding card? - clever funny wedding invitation wording

my teacher got married on Saturday and a child who has the card and want to sign you all.
Girl has already been signed, and said: "Do not Fall In '
What can I renew this clever or funny, or even a short joke CUS, my name is boring.

PS I do not know how this teacher would do if something unpleasant or rude well to