What is the origin of the idiom "against one's better judgment" and when to use it?

The idiom "against one's better judgment" reflects the idea that a person is making a decision or taking an action that they believe is unwise or not in their best interest. The term "better judgment" refers to one's ability to assess a situation and make a wise or rational choice based on their knowledge and experience. This expression is used to describe a situation where someone is doing something they believe to be unwise or imprudent, often due to external pressure, circumstances, or conflicting emotions.