What Alice Forgot

Alice hits her head and when she comes to she has lost 10 years of her life.  Instead of being 39 she thinks she is only 29. Everything she is remembering isn't. The way she thought her life should be is not the way it is and she doesn't like it.  What would it be like if our younger selves were able to meet our older selves?  Would we like ourselves or be disappointed in how we turned out