...the verse you posted doesn’t exist as written in any Bible I can find.
HMMMmmm...
http://www.biblegateway.com/passage/?search=1+Corinthians+7%3A2&version=NIV
Hmmm! I’ve never seen that one. In the Greek it’s not written that way. It simply says to avoid fornication a man should have a wife and a woman should have a husband. I suppose it’s implied but ……… YOu got me on that one.