Understand what it means to be selfless.
While you should take the time to honor and care for yourself, don't forget about the other people who make your life worth living.
Remember when the gang went wine tasting and left a pregnant Bernadette behind? Sheldon didn't want her to be lonely, so he invited her over for boardgames and sparkling cider. That little act of kindness made Bernie feel loved and appreciated. Plus, Sheldon managed to have some fun, too. Bonus!