Lyric discussion by dustytiger 

Cover art for This Love lyrics by Elizabeth Fraser

i heard this song at the end of an ep of third watch, and i needed to hear the whole thing, i think it's an excellent song, and is so true to my relationship right now, and i think that the line
"It doesn't mean a thing" refers to the lines precedding it "Doesn't have to feel love Doesn't care to be love" because just because others or even yourself is not sure that is in fact love, it doesn't matter because you know that the feelings you have are strong, and want them to be unique to you