Hahaha - haven't thought of either of those for years. While listening to Donovan, I was thinking "bet he was high as a kite when he wrote this". Before long I was thinking, "whatever Donovan was on, the Beatles were on something even stronger!!" Off to find Hurdy Gurdy Man...

EDIT - then I had to look for others of his, like Jennifer Juniper, which could also have gone on the love songs post