like sin
— Adverb
– English
~ (informal) with great speed or effort or intensity; used for emphasis; "drove like crazy"; "worked like hell to get the job done"; "this sprain hurts like hell"; "ran like sin for the storm cellar"; "work like thunder"; "fought like the devil"
long since
— Adverb
– English
~ of the distant or comparatively distant past; "We met once long ago"; "they long ago forsook their nomadic life"; "left for work long ago"; "he has long since given up mountain climbing"; "This name has long since been forgotten"; "lang syne" is Scottish