The opportunity only comes once in many years. It happened in 2001, when you were younger and not fully grown into your powers. At that time, you were too young to enjoy it. But finally, in 2020, you had your chance.
On Halloween night, you didn't bother with a costume. You could feel the shift begin with the rising moon, fur rippling along your skin and your teeth and claws growing. Once the shift was complete, you gave a toothy grin and set out.
"Great costume!" Someone said as you passed them on the street.
"Thanks!" You responded, "This year, I'm finally going to win the costume contest."