Το πρόβλημά μου είναι ότι της γυναίκας μου δεν της αρέσω πια.

English Translation

My problem is that my wife doesn’t love me anymore.

My goodness, why do I find this such a tough sentence?

Broken down it reads like this:

The problem of mine
is
that
of/to the wife of mine
not
to her am I pleasing
anymore.