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 white gold wedding ring. A wedding ring or wedding band is a ring, often but not always made of metal, indicating the wearer is married. Depending on the local culture, the ring is usually worn on the base of the right or the left ring finger. The custom of wearing such a ring has spread widely beyond its origin in Europe.