Lyric discussion by kyeager10 

This song is misleading due to the upbeat tune, but it is definitely about depression. Clinical depression is a misunderstood condition and those who do not suffer from it often encourage the depressed person to "think positive," (ie: look at the blue sky). This is impossible for him to do as all he can see is the sour side of life - the lemon tree.

The fourth set of lyrics is the real clencher - "There's a heavy cloud inside my head, I feel so tired, put myself into bed." That is what depressed people do!

Also - the desert of joy? A place completely devoid of happiness.

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