Utiliser "mellowly" dans une phrase

1. I have settled down, very comfortably I must say, to the preliminary petrifaction of middle age, and middle age, I begin to perceive, is a blessed period in which we walk along mellowly, down pleasant slopes, with nothing gusty and fierce able to pierce our incrustation, no inward volcanoes able to upset the surrounding rockiness, nothing to distract our attention from the mild serenity of the landscape, the little flowers by the way, the beauty of the reddening leaves, the calm and sunlit sky