Jai Sri Ganesha,
Light things float on the surface of water and heavy things get submerged,
Light things ascends in air but heavy fall things back to earth,
Ego is the cause of heaviness and possessions which makes man drown and fall back on the earth,
Egotism grows through ignorance and create undue passion for worldly objects which put on unwanted weigh of spirit and create barrier in its high fly in regions within self,
May Lord bless all,
Thanks please