Oh the premise was so promising, but then you chose to ignore the history side of this word in music, with only one song pre-1980.
She Loves You, All You Need is Love and many other Beatles songs.
You Can’t Hurry Love, Baby Love and many other Supremes songs.
Whole Lotta Love by Led Zeppelin
Love Hurts — Nazareth
Love Bites — Def Leppard
Love Stinks — J. Geils
Love Me Tender — Elvis
Those are just some low hanging fruit with the word in the title. And as you alluded, how “love” is referenced or said in a song likely has a great deal to do with whether or not love means love, or sex….”Love in an elevator”…