Dopamine is the brain chemical often associated with love. It is the neurotransmitter that helps to control the brain's pleasure and rewards center. It not only creates the ability to see rewards and pleasure, but it helps the individual act upon that notice!
We love the artistic style of this molecular representation of the atoms making up the molecule.
The pendant or charm would also be something different for a shrine to love or pleasure. Consider removing the chain and using this as a charm as well.
The silvery link chain measures 18 inches and arrives with a 2-1/4 inch extender. The charm/pendant is 1-1/4 inch long by 5/8 inch wide.