Before I give you the answer, perhaps think through this scenario to see if you can come up with an answer.
Let's say we have a sales person whose job is to do a bunch of cold calls to try to get clients. Their sales skills is quite high, they are quite intelligence and personable, and they are motivated to get the commission.
What is an additional mental skill they may need to ensure they are successful in getting their clients?
There are probably a few answers, but the one I'm focusing on today is…