The only time is when I went on business trips or training (rare occasions), with one exception. A few years ago, I went on an overnight trip with my brother and a couple of close friends.
That was it.
My wife has also gone out on business trips which included overnight stays.
M: 15 years BD: 6/25/14 EA/PA: starts 5/14/14 11/30/14 - A ends 5/15/15 - D is finalized. 11/28/15 - Start of new LTR with a wonderful woman (and still going strong)!