You can start by looking up the "pygmalion effect". Its a pretty neat story about believing. If your friend believes he or she will have bad luck, they will. Its called a self fulfilling prophecy.
because it is not nice to say something that you know it is going to upset someone.
It means that you have done something bad or whatever, if you have dreams like that then you will have bad luck? You should probably tell someone about it
When something bad happens we say "What bad luck!"We do not say "What a bad luck!" because that is not correct in normal English usage.
It's something someone believes will happen If you do something. Like how people say if you walk under a ladder, you will get bad luck.
When someone says something is going to happened to someone and it does
Not at all. Get her a nice one.
No
Baffle, as to astonish and confuse someone. Befall as in to receive something, like bad luck can befall you. Befoul means to make something filthy and gross.
Karma
Sen. Robert F. Kennedy
you did something to someone or something bad
how to get rid of bad luck ..... well lets see. first do good things be nice because whether your a friend or not people can tell from how you look. and so they no if your selfish or not. so if you want good luck then try to be nice because there is actually no other way!