Hey pea , i know what u mean , sometimes in the work (mine is not really a work im helping my uncle with his work...lets say i'm doing the dirty work and he just take the merit lol jk =P ) anyways happens sometimes embarassing moments inwhich u dont know what to say and the anxiety came , but anyways we are with u, lets try bit by bit to win this embarassment , then u have to ask to urself if u like the job u are doing if u like ur job then try bit by bit to get over this embarassment maybe making a table with the things that u can talk about , sometimes there are customers and u dont know what to say maybe u could follow some stantard questions trying to dont think in the embarassment , i know its not easy but remmeber that we are with u =) be strong