Men can cry if they want. = Men can cry if they want to.

many peopli think if men cry, they are not real men and brave = Many people think if men cry, they are not real men and brave enough.

But it is old stereotype.

Men also want to cry.

If they had painful and sad, they can cry. = If they are in pain or sad, they can cry.

Hoever they read face of other person. = However they read face of other person. 

Because ther was a saying ' Men can cry only three times in ther life.' . = Because there's a saying that "Men can cry only three times in ther life."