Self control is very important. It helps you not take the wrong decision. But, I have seen many people with lack of self control, making an irreversible damage not only to themselves but others as well.
It’s important for a person to not lose his senses and act the way he/she wants. The same situation will look different after some time. It is important for a person to know this. Knowing this and recalling the same during some heated conversation, can actually cool you down, and handle situation in a better way.
Yes, I have felt the same and this is a simple note to remember.