Next time one of your friends is getting ready to say " I do," make sure to keep a few "don'ts" in mind ...

1.  Making an inappropriate best man speech.

2.  Getting too drunk.

3.  Getting it on with a bridesmaid or groomsman.

4.  Wearing white.

5.  Insulting the bride's mother.

How many of you are guilty of any of these violations? If not, please chime in and let us know about any other "worst things."

BTW, here's a little wedding toast to Vince Vaughn: "True love is blind" and  "I'm not a talker." LOL.

Below is an example of No. 1 on the list. (It's NSFW, just so you know.)

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