No it most certainly isnt, to break all the bonds in the glycerol you need to put in an enthalpy of +6974 and the energy released when the bonds reform is -5852, so you get less energy out then you put in so it wont burn.
The Ring Finger - The Meaning of the Ring Finger for Rings: Emotion, Creativity & Heart: Wearing a ring on the ring finger represents a connection to the heart, as it is thought to be closely related to the artery that goes to the heart. It is associated with our feelings of affection and love.
a typically circular band of metal or other durable material, especially one of gold or other precious metal, often set with gems, for wearing on the finger as an ornament, a token of betrothal or marriage, etc. 2. anything having the form of such a band: a napkin ring; a smoke ring.