The statement that our personality tends to shape our exercise habits is true. Our personality strongly influences our exercise behavior. It matters is we are goal oriented, or if we are inspired by a challenge for choosing the activity. Sensitive people are more suitable for individual and non-competitive sports like biking, running and hiking than for group and team sports.
I think it would be best to forgive the other person and move on as she'll still have a feeling of resentment if she writes about her feelings and doesn't forget about it.
