You must get over this and not care if you succeed or get rejected. If you care, then you will do everything you can NOT to screw up, and consequently, this makes you screw up.

When you talk to someone for the first time, you must realize that there’s a reason that you are talking to them. If you’re talking to a woman for the first time, it’s likely that she already knows you’re trying to pick her up. Many guys have tried to pick her up before and many will in the future.