Summarize: You have a intense fear of flying. You do not know how this fear developed since you have never flown. You tried once to fly across the country to visit a good friend, but you could not force yourself to walk down the gangway to enter the plane. Your school is offering an art history tour of Europe that you would like to attend. Your grandparents have agreed to pay for the trip. The only remaining obstacle is your fear of flying. Describe in detail a process of behavior modification that could help you overcome your fear.