That's one way to deal with it, the other way is to not take it personally. It is not you who are being judged, you are merely a sales person selling your servi

That's one way to deal with it, the other way is to not take it personally. It is not you who are being judged, you are merely a sales person selling your service, if the buyer ended up not buying yours, it's totally OK, you just find another buyer. In the end, it's all about framing a situation in your own mind to make yourself comfortable with it. It is a very powerful technique to allow you perform well in stressful situations, and in a sense, keep yourself happy. It also applies to more than just interviews, but dating, social events, giving presentations, etc.