"What is Love" was written by Haddway's producers, Dee Dee Halligan and Junior Torello.  Though the song features an upbeat dance track, Haddaway sings about trying to love a girl who won't love him back.

So, while I don't know the exact meaning, maybe you could connect to these themes: Sadness due to separation from someone or something dear, followed by finding your way back into feeling good again through reflection. Note, that there may be multiple meanings behind some art so you are free to find different interpretations.
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