Instead, try to find the most information about the person that you can on the Web. Did you bring a stray animal home? However, make sure that it is not a monotonous piece of text that will be hard to read. How did you celebrate Christmas?
A word of caution here: Do not try to use this as a way to "butter up" the admissions committee, because if there is any reason to believe that you are not sincere, your application may be adversely affected.
Is it upbeat and confident? Close your essay with a summary of everything you have discussed in your work, making predictions for the future.
What games did you play when you were a child? What things make you feel happy?
In such cases, perhaps focusing more on what you want to do than on what you have already done let your record speak for itself may help in getting beyond self-inhibition.