She was giving a gift to our future selves. Your romantic ones? Traditional productivity books—written by men—barely touch the tangle of cultural pressures that women feel when facing down a to-do list.
Use the second person to make it more personal and direct.
It can start to feel like your best days are behind you. Fill it will positive affirmations and appreciation for the person you are. I challenge you to try to think farther ahead.
Are you about to go to college? This is just a starting point. Like listening to a recording of your own voice. Sending a message to yourself forces you to do this. Do you ever go back and scroll through your old Facebook posts?
The important part is to just be sincere and thoughtful.