Feeling ignored is surprisingly painful. You might find that you're constantly thinking about the person and wondering what's happened or what you can do to fix things. Being ignored can eventually damage your self-esteem and feelings of happiness. At some point, you probably need to take a break and focus on your own needs.

Walk away and give them some space: Don't try to communicate with the person if they're ignoring you. Sometimes, you just need a break from them and it might be what they need, too. There's no need to make a scene or dramatically announce that you're giving them space—just go somewhere else and catch a break.

Distract yourself with new challenges: Take a class on something you're interested in or volunteer. Focus on your...