Those you find most disagreeable, distasteful, and disgusting - those people do not become that way on purpose. There's always a cause - an event that causes suffering which births that negative mindset they exude. These people need you.

They need you to remember that they deserve to be happy just like you.

They need you to remember that you ought to be seeking happiness for them as well.

As Eleanor Roosevelt put it, “the surest way to be happy is to seek happiness for others,” and yes, even when those same people piss you off.