We share the same Dad but he died when I was a baby and she was 8. All my life I have wanted a sibling and used to dream of meeting her.
I have tried to track her before but with no success. I did once meet her sister, also my half-sister, who was nice enough but didn't stay in touch and said her sister would not want to meet me (I don't know if she actually asked).
I have no close living blood relatives except DD. For this reason my half sisters remain important people in my mind.
So should I put in a friend request to her Facebook account? Or is that too weird a way to contact a half-sibling? And if I do write a message with the friend request what should I say?