its been so long since I have written one I seem to have forgotten
First and foremostly, don't have high expectations for it. Just let it be somewhere you want to go to when no one else is there, kind of like that one clingy friend you can't get rid of but always offer really good advice, yeah, let it be that guy.
Write a list, chart, or brainstorm cloud of all the titles attached to you. Let them be formal and informal, given and self-proclaimed. Examples from my life include: writer, cat-roommate, newlywed, Tarot-reader, and horror film fan.
Note your daily ambitions, hopes, plans. Then pursue them. After day is complete, write about what you accomplished and experienced.