Struggles of moving on (pt. 2)

I was feeling lonely when have I not? it become unbearably so when I saw her with you enclosed within your arms her back was to your chest swaying to an unknown tune your lips that used to be my oasis found it's way to her delicate neck the mirage that I was holding on to shattered to a million pieces piercing my already tattered heart deep down I already know why you left without a single word and why I'm still questioning my worth