When everybody points at you, you've got to keep your head up high because you can't sulk in your own misery. If it hurts, try to act normal and when you'll be alone at home you can break. But until then, keep your head up high and pretend that the one you love most didn't shatter your heart. It's all about human nature. Everybody feels like that - you are not the only one. Think about how many people are desperate in that moment - don't act the same.