This is sort of like a survey question, sparked by a curious discussion.
I don’t expect very many people to actually answer it — but it would be interesting if people did.
But it came to me, so I thought I’d post it nonetheless.
1. Best friend, same sex
2. Best friend, opposite sex
3. Any friend, same sex
4. Any friend, opposite sex
7. Sibling (brother)
8. Sibling (sister)
9. Anyone really (No restrictions)