You should not risk uncontrolled. Firstly, learn to risk to get to know how to do this. Everything stays in having an idea so that taking risks is worth for and after that you need courage. The courage with whom you want to succeed is everything. Because only the most courageous people will succeed.
We always try to judge people by their appearance. At the first sight we always make a categorization according to different criteria if we like the person or not. Everyone of has detains some standards we apply on practice for the person we like to analyse.