Your husband had been distanting himself from you lately, keeps making excuses like he was tired or too busy at work. The way he treated you was also telling that he had no interest in you anymore, basically almost ignoring you and kept that cold and stoic expression every time he talked to you

You're aware that Xiao has been cheating on you

When you enter his office, he was on his phone, texting "someone" while smiling at his phone screen. He didn't seem to be notice you at all