Myth or Fact?

Nb
Hello beautiful mamas!
Is it just a myth, or is it true that when you have really bad nausea/vomiting in your pregnancy you're gonna be pregnant with a boy? And if you have an easy pregnancy that you're gonna be pregnant with a girl?
The thought just came to me.
I have friends/family and posts I would see from people on this app explaining their symptoms and it just seems to be a coincidence? 
Not sure, your thoughts/opinions on this would be great. 
I would love to hear them!