VIDEO : 'Old Sheldon' Actor Explains Mindset Of Character To 'Young Sheldon'

Iain Armitage plays both Ziggy in ?Big Little Lies? and the lead in ?Young Sheldon."
According to Extra, actor Jim Parsons, who plays Sheldon in 'The Big Bang Theory,' gave him some advice.
Armitage said Parsons told him to imagine two paintings--one wild and splotchy, and the other neat and orderly.
Sheldon would like the neat and orderly one, said Parsons. Iain said that advice helped greatly!