Most Helpful Guy
You can't, unless you meet someone acutely aware of this fact and makes the effort to get you to come out of your shell. That's the problem, you have to be open to the possibility rather than almost ensuring it can't happen by closing yourself off to it. You have to be in it, to win it.
Most Helpful Girl
Getting hurt is inevitable. It is how you deal, heal, and learn from it that makes you a stronger and wiser being.