"If you don't want me to keep telling you this, then you should not have suggested this in the first place!" Mary pinches her son's cheeks. Every time! Every time she has to worry about her son's hasty decisions and actions.
For the most part, she trusts him and she worries less, but this time, it's different. She won't be there for him to save him if anything happens. She might be Leonardo's best friend, but it does not mean that he will tolerate her son if her son ever says something stupid.
"But Mom, if I don't do this, then wouldn't that mean I'm not trying to win Nathalia?" From what he heard, his father never stopped trying to make his mother fall in love with him, and that story goes all the way back in their family history. The males in their family did their best to make the woman that they fall for falls in love with them.