Like everything else in life.. I believe we shouldn't rely on first impressions. When new in any situation.. ease your way in and be aware of all that's going on around you... it is up to the individual to decide whether they want to be part of any 'social' situation and the only way to make an informed decision is to spend time learning the written and unwritten 'rules' and some of us rushed headlong in and learned from our mistakes.. I sure did!!.. That's life!!!!