Why would a man be scared of a woman?
Men are often uncomfortable with any expression of strong feelings. When their wives/partners are angry, it raises the emotional temperature in the relationship, which makes men feel uncomfortable. Men often feel responsible for their wives/partners well-being.
Why guys are afraid to ask a girl out?
Fear of rejection. Fear of rejection is the number one reason a man who might be interested wont approach a woman or go a step further and ask her on a date. Im sorry to say it, but if a guy is just too insecure to ask a woman out, theres not much you can do.