Char Key Tiao Hawker

There is a hawker selling char kuey tiao.
His char kuey tiao is very popular and always got rated highly by everyone who had tasted it.
So, every customers come to his stall with a very high expectation.
He never let down his loyal regular customers.
One day, he realise that his char kuey tiao quality is deteriorating.
He blamed the kuey tiao.
He blamed the supplier.
He blamed the flame.
He blamed the prawn.
He blamed the cockle.
He blamed the beansprout.
He blamed that sausage.
He blamed the gas cooker.
Afterall, he found that the problem is he himself.
He found that everything has changed.
He realised that actually does not how to fry kuey tiao, perhaps he is not suitable to fry kuey tiao.
He had been frying kuey tiao for years.
It is his life.
He cant survive without it.
He knows nothing but frying kuey tiao.
But now, even frying kuey tiao is such a difficult task for him.
He really doesn't know what to do.
Advise him, fellow customers.