well out of, be
Be lucky not to be involved with, as in You're well out of that marriage; he was never right for you. This expression is a shortening of well to be out of.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.