"Safest", I'll grant. But "sensible " to me means actual trust between partners that such friendships are purely platonic - unless of course there's hard eviden

"Safest", I'll grant. But "sensible " to me means actual trust between partners that such friendships are purely platonic - unless of course there's hard evidence that they aren't. It's admittedly rare to see (assuming all involved are heterosexual) but it can and does work.