I think its the "why didnt you tell me he was dead? i could have brought the last rights anyways"
The contributing factor that lead to xenophobia is sexism and racism which has its roots in the failure to accept "others" mixed with misguided notions about superiority of self. fragile self is constantly threatened by the potential power of the other, whether numerical; social, political or
economic.
Self confidence is the best confidence , id like to think i encourage myself but it some people case they have a sort of role model
A strong requirement is that a testable hypothesis must meet before it can really be considered scientific