Complex question about deleted contacts

Hi All,

I am using Live Messenger build 8.0.812.00
My main problem is to re-add one contact back into my live messenger contact
list without alerting him/her. Please read more about this story as
following. I couldn't find any information on the internet about this matter
and your answers are most valuable for me.

Recently I deleted one contact from my live messenger contact list
accidently and I wish to add her back into my live contact list. But I want
to prevent her to receive any alert from "live messenger" mentioning that I
have added her into my contacts.

Just only Ä° deleted her from messenger contact list not also "from hotmail
contacts".
(By the way I am sure that she didn't delete me from her contact list. If
she blocked I don't know.)

Afterwards I have tried to check something to fix this issue. Just I placed
live messenger's "tools" menu then "options" and "privacy" tab, finally found
her hotmail mail account on the "allowed contacts" listbox.
Then.. I have right clicked her account there were two options as "Add to
Contacts" and "Move to Blocked List". When right clicking on her mail account
also there is "delete" option but not active. (Can't be selected.)

Thus, slightly I have added back her into my contact list by simply
selecting her account and then clicking "add to contact list" option. Can I
make sure that she hasn't been alerted by messenger system that I have
re-added her?

Furthermore.. in "allowed contacts" listbox, I have checked some of my old
contacts' mail accounts those I haven't communicated for a long time.
So, while right clicking on their mail accounts, found "delete" option is
selectable for some of them. Does that mean they have already deleted me
from their contact list?

Thanks in advance for your help and patience for such a long story,
Niko