he is my ex but his engaged!! help me

So me and my ex were together 2.5 years after we broke up he got with his now finance weeks after.. 6 months later he begged me to sleep with him as we have this soul connection thing.. it has now been 3 years of us secretly sleeping together.. I'm so ashamed but our connection is so strong. He now just recently blew inside me (which he never does) I'm so confused I don't know what he wants from me??