By jove, just communicate with each other! Like she can still decide not to be with him after telling him how she feels about their relationship and telling him about her mother. Atm he thinks she may have found another person. He's just trying to be helpful whilst unbeknownst to him this is hurting her.
Clean my foot, this is an awful way of ending a relationship. Leaving him in the dark about all of this, how could you?