Love Dragons are disgustingly positive. If it's raining, they want to snuggle in it. If a puppy just died, they want to dance the sorrow away. If they catch you looking at someone romantically they'll spray both of you with love-inducing chemicals and you'll spend months trying to shake off a crush.
Sometimes Love Dragons will mistake a friendly gaze for romance and induce a crush between buddies by spraying the pair with love chemicals. Afflicted friends are encouraged to isolate themselves until the effects wear off, lest the relationship be irreparably damaged.
Love Dragons are credited with many rare hybrid discoveries. In ancient times Caretakers only bred Dragons of the same colour, viewing crossbreeds as impure. Love Dragons enjoy nothing more than spraying creatures with their love inducing chemicals, so such pairings emerged quickly when in the area.
The first Diamond Dragon was hatched when an Epic Form Love Dragon was afflicted with rabies and frantically sprayed an entire island with its passion-inducing chemicals. Hybrids of all colors paired off and rushed to the Breeding Dens, and a Diamond Dragon was born just days later.