A Chilling Warning

She pursed her lips and said, "I was surprised to find myself in your bed that time; it wasn't something I planned. After we got married, I admit I had feelings for you. Seeing Stella betray you, I thought we could start over. I won't say I have no resentment towards you, but you never promised me anything. The only thing that wasn't fair to me was your disbelief that I had nothing to do with that