The key to getting along well with others is realizing that you're not always the smartest person in the room, or the most capable person in the room, or the most worthwhile person in the room, regardless of your job title.

That's it. There's no maybe this time. Treat other people as if they were worth just as much as you, or maybe even a little bit more, and they'll be much more likely to want to cooperate with you instead of wanting to stab you in the forehead with a ballpoint pen the next time you start up with one of your long and boring stories about all of the wonderful and amazing things you've done.

Maybe they've done some wonderful and amazing things, too.

Also, maybe they have a working b.s. meter and know quite well that you're full of it.

Either way, my system is much more effective than one where you just continually crap all over others with your smarmy condescension. That doesn't tend to work too well with anyone.

I'm really not hostile. Really. I just think we should all be nice and respectful. To illustrate, here is a puppy:

Does this puppy look happy? No. He looks ashamed because someone has taken away his dignity. 

Yep. That's how people feel when you act like that. So stop it.