Stop being so considerate in situations where you are not considered. Kindness is a gift, not an obligation. You'll be drained if you keep pouring into people who don't reciprocate. Protect your spirit and well-being. Redirect your warmth toward those who reflect it back to you.
Maybe people will only realize your worth if you stop chasing them. If you stop giving them your time & effort. Sometimes you need to act like you don't care. Some people think that you'll never tired because you love them. Well, love never gets tired but pain makes us weak.