The springboard approach is just one way to break your writer's block. Write an unsent letter. Another way to express deep feelings is to write about your feelings - and then write in the imagined voice of the other person. Freeze frame happy moments. Immerse yourself in recollection, filling the page with physical and emotional detail.
Most people report they feel refreshed and energized after writing out their favorite moments.
Explore the roads not taken in your life. This technique is an extremely powerful tool for developing decision-making skills about your future. Imagine yourself one month from now - and one year from now. Write it all down, as a confession to yourself. The words will awaken your intuitive and creative wisdom, which, in turn, will help you make better decisions.