How can a Christian be a partner with one who doesn't believe?
'I wouldn't do it again, it's too much for me,' she confides.
'But I don't want to put people off from writing to prisoners.' It's easy to relate to Sandie's opposition to the death penalty, yet difficult to understand why she would get into this kind of relationship in the first place.
Gradually, though, she fell for Reginald – 'a spiritual, beautiful person' – first by letter, later during four visits to Texas, sometimes staying with campaigners she had met online, to save money.
As she chats away, she might be any woman excitedly describing a blossoming relationship, were it not for the details, which catch you up short.
You surround me with songs of victory." God has a mate for you.