If you are willing to look at another person's behavior toward you as a reflection of their relationship with themselves rather than a statement about your value as a person, then you will, over time, cease to react at all.
Honestly, when I went into the house, day one: Fun, day two: Fun... Well, actually wasn't that fun, with you know who [Mickey Rourke], but then day three... I was now in my own thoughts, away from everyone I know, away from outsiders' opinions, away from everything, and I sat with myself, and from that point on, I realized things that I was OK with in my life that I should never have been OK with.