Whether your relationship is old or new, you should never get complacent about making sure it’s a healthy and happy one. If you see any of the following red flags pop up, even once, you need to seriously reconsider your need for alone time.

Fighting all the time, using hurtful words, and living separate lives are all obvious ways to cause strife in your relationship. But what about the more subtle ways in which you can neglect, sabotage, and ultimately destroy your relationship?