The Bounds of Love - background

Study of Joel McDermott's book. Bahnsen made a general statement that God's law applies in all it's details. This started a great controversy, because people did not read his explanation of what he meant. Extreme positions were set up that no one really holds to. The real question is which laws do apply since Christ's coming and which do not apply? Love is required of believers, but what are the boundaries of love?