Don't bother about how you'll feel if anything happens to me; keep those regrets for the moment a hot pill investigates your own honorable insides, Mr. Jackass!
Don't you realise that if anything happens to you, I shall never forgive myself?
But if anything happens to Miss Benton during the course of operations, then, as surely as there is a God above, Peterson, I'll get at you somehow and murder you with my own hands.
If anything happens, if ever you want me--at any hour of the day or night--ring me up or write.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "anything happens" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.