Are you talking personalities as in a dissociatives alters or are you talking about kind of mid life crisis type thing where the person wonders what they have done all their life, what they should do and be for the rest of their life?

If it is mid life crisis kind of thing thing about what you like to do write all those things down then think about a friend that does these things and what you would say if he/she came to you and asked you who she was. Basically you are who and what you want to be based on you beliefs and likes.

Now if we are talking a dissociative locating an alter. Basically you can't "see" an alter, or "touch them and so on. But you can know they are there and find out things about them. To start with you pay attention to anything you find - poems, drawings, items you dont remember buying and so on. Look at those items sometimes they will have a name on them. In the book amongst ourselves by Dr. Tracy Alderman is an exersize that has to do with charting your alters. Three years ago I wrote to her and asked permission to post the exercize on another website. I recieved permission and posted it. I will be putting it on this website too just haven't gotten around to it yet. Basically when you find things out during therapy or at home you write it down. For example my therapist would say Katherine was here today So I would write on the chart Katherine. Then as my therapist or friend since she knew I was DID and was a part of helping my therapist and I, would find out things when ever I was in that memory state. I now know Katherine is 22. She is one of my protectors, philosophical, very sarcatic and to the point (told my therapist she (my therapist) was too clever for her own good) her favorite color is lavender and so on. You basically do this for each name that you know and each name that comes up in therapy. over time you will have a pretty good picture of what that memory piece contains. (If you want to know what an alter looks like Once you know how old that memory piece is find a picture of you at that age and that is what the memory piece (alter) looks like.