Authors:

A good litmus test is that you should be comfortable with your significant other being present when you hang out with your friend.

"Olivia Wilde Talks DRINKING BUDDIES, How Much She Drank During Filming, Working with Jake Johnson, Beer Snobbery, and More". Interview with Christina Radish, collider.com. August 21, 2013.
A good litmus test is that you should be comfortable with your significant other being present when you hang out with your friend.