Well, that's a great start. It is always recommended to start keeping a journal and write it all out. All the bits that you can remember, even the smallest things. As you write, often more will come to you, sometimes when you are not even thinking about it. You can also start a thread for each of these lives if you wish, and share with others. Often people have good insights to share.
Also, take a look in the FAQ section. There are lots of threads there with good tips and tricks on how to find out more.