I go with the honesty bit as well - loving honesty though, the sort that results in feeling cared for as opposed to the sort that makes you scratch your head and wonder why the 'friend' is there at all.

Particularly, honesty about feelings. I remember somebody, after eight years, telling me that 'the first couple of years were OK, but then.......'

I'm also sure that true friendship (love) is unconditional, and, I suspect, probably based more on want than need - although I'd be really interested to hear others' opinions on that.