Let me ask you something, have you ever hung out with somebody who kept talking about themselves? You know, those people who can't seem to stop showing off what they have and don't shut up about it. They also never ask you what you're up to, either.
Basically, it's the kind of friendship that's totally one-sided. Well, here's a news flash! Don't be that guy or gal. Here are a few things you should never brag about, as shared by people on Reddit.