One of my closest friends recently got into a relationship and has fallen off the map completely. A guy who'd call me often and post something on Facebook almost daily, he's seemingly vanished without a trace. And he's not the first friend to go down this route. Truthfully, this has left me scratching my head. Why do some people enter into a relationship and forget that their friends exist? Here are some possibilities: The relationship consumes them to the extent that they neglect all other aspects of their social life Their partner wants your friend all for themselves, and your friend acquiesces  They feel complete with a partner and no longer see the need for friends It's normal for people not to have as much time for friends once they hook up with someone else. But kicking friends to the curb is wrong on so many levels.  For one, our friends have been there for us through the thick and thin. Over the years, some of them have invited us along on th...