Having kids is a really rewarding, selfless experience. Sometimes you're so selfless that you pay no mind to the fact that your kids don't acknowledge your existence. You're a grown adult, and being ignored by your own children doesn't hurt at all. Or at least that's what you tell yourself as you cry yourself to sleep at night. Parents who are ignored regularly by their children took to Twitter to share the latest ways their kids acted like they didn't exist. Scroll down for the best of 'em.