Spot on Xenia, and it's more their own insecurities that lead them to make these comments. So whilst the comments are directed at us, it's more a reflection on them, and even a way for them to possibly mask they're disappointment with themselves (although I would'nt say that to them! ) ie. easier to criticize you and your achievments by saying you were lucky than looking back at their own past and realizing the mistakes they've made.