[kazinator]

The professional puts the customer's heart into something, not his own.

My heart says I should spend the next ten weeks optimizing this interesting function that gets called once a year, because all higher priority tasks look like boring grunt work.

[liotier]

> The professional puts the customer's heart into something, not his own.

I like your definition - it puts authenticity in caring for one's partner at the center of the professional relation... First time in a long time that I read "professional" and it does not ring empty !