In a willing and happy (or resentful and reluctant) manner.They seem to be very against any form of control for what they do, and I have never in my life met anyone who was willing to stop smoking with good grace when asked....
If one has apologised, one should accept it with good grace.
It was very hard fought, but always with good grace.
Synonyms
willingly, without hesitation, unhesitatingly, gladly, happily, cheerfully, with pleasure, without reluctance, ungrudgingly, voluntarily;