Lovenote

5 clues
Billet doux
Valentine inscription
Jewelry accompanier, often
It includes terms of endearment
It's far from a Dear John letter
Similar answers:
Actoflove
Adalovelace
Addictedtolove
Aglove
Aintlovegrand
Allahnotes
Allmylove
Allourlove
Allover
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Allovercreation
Allovertan
Alloverthelot
Alloverthemap
Allovertheplace
Allovertheworld
Allovertown
Alloveryourself
Allyouneedislove