a vocation or loved hobby
Passion is an activity in which we find real pleasure. People with passion are very excited when their interests are discussed. They can talk about them for hours. The effects of their work can be impressive because they put a lot of heart into it.
Passionates are very committed to their work. They get pleasure and satisfaction from doing it. They pay a lot of attention to details.
Sometimes you can get lost in your favorite activity. Do not forget about people who also need your presence and attention.