You're married to Sae. You don't know the reason

Before you marry him, you have a toxic relationship with a boy..

Eventually, Sae found out about this

"Who is this Bastard? Why did he abused her?"

his assistant starts to tell him everything he knows

Assistant : "But, he already went to America and got into jail"

Knowing this, Sae knows why you always Flinch everytime he try to touch you

he may be cold, but he actually tries to make you comfortable in his own way..