Misunderstanding or Mystery?

Jimin and You are married for 3 years now. Everything is going well in life. He is angel in your life , You two complete each other.

But for few days he is acting bit strange, feels like He is cheating your heart is breaking little by little , but his eyes are more broken, Is he really cheating or there's something hidden or something mystery?

"What are you hiding from me Jimin ?" I asked Pining him on couch with red eyes