Swinging Vases

Why aren’t these vases standing straight? Must a vase always stand straight? Is everything and everyone always so perfect in balance? Is this a necessity, a phase or searching process?

Size: 40 to 45 cm tall, about 12 cm diameter

technique: thrown in porcelain, burnished + terra sigillata; saggarfired

Swinging Vases - 1 Swinging Vases - 2