I'm sure he won't add you as a friend because he doesn't want you to have access.
I know my easy child daughter has hers set to private and she really doesn't have much to hide from me. I know that because she has her password stored and when I know none of her friends are on, or her boyfriend, and she's working, once in awhile I log into hers just to keep an eye out and make sure she has nothing to hide. She has hers set to private because when she first made an account she had her name, school, city she lives in, everything in her profile. Anyone could have gone to her school and knew exactly who she was. I told her she better set it to private and not put anything to personal about herself as there are to many wackos out there.
Yes it does say the date you logged in and it will show when you are online, so you need to be very careful.
