fiend for

absorbed captivated consumed engaged enthralled submerged

bugged busy fascinated gone gripped hooked immersed intrigued lost monopolized occupied riveted

all wound up assiduous caught up caught up in deep diligent head over heels heavily into hung up industrious intent into rapt really into sedulous taken up with tied-up turned on up to here in wrapped-up

existing idle inactive

bored disenthralled disinterested ignoring inattentive oblivious uncaring uninterested unoccupied