They certainly know the advantages of sticking close to humans. They really 'use' us
My 'two' (the male in a supervisory role) are back building in the shed. I think the clincher was me going in an out yesterday to put washing in the dryer (apologies for not being eco there but I have excuses) and Mrs R was sometimes waiting for me to leave. If I were a robin I would probably seen signs of impatience
I like the idea of bird breaking and entering LOL
... Or 'chirping with intent'
Acher