Mercutio Is a mischievous man so is Romeo and it was their idea to read the ball where Juliet was so Mercutio does shape Romeo’s character in that they want some thing both of them.
Secret meeting of Hamilton, Madison, Jefferson.
I'd say probably when the person you are contacting prefers communicating via call or text or another form of messaging. For almost anything professional or business related, it would be appropriate and acceptable to email.