unconcerned, apathetic, uninterested, thoughtless, heedless, unbiased, immaterial, unheeding, unimportant, inert, more...

concerned, passionate, interested, caring, empathetic

apathetic, unconcerned, disinterested, neutral, impartial, nonchalant, detached, uninvolved, more...

happy, more, first, own, satisfied, breach, second, reasonable, dissatisfied, intolerant

not caring,   not care,   doesn't care,   doesnt care,   i don't care,   does not care,   do not care,   didn't care,   no preference,   not concerned