I would like to be more patient, and I think the path to this is connected with other feelings. For example, I'm patient with small children, with people I love, with an elderly man walking slowly. I'm patient when I feel compassion for another person, or when I know that something is difficult for him or her.
Probably the most difficult one to be patient with is one's self. Why do we have so little compassion for this person?
Patient and impatient are adjectives, and you can use them to describe a person generally, or in a moment. The noun forms are patience and impatience.