Dmcg, whilst acknowledging that some ethical issues are not cut and dried, to quote the second greatest commandment as though it negates other clear commands , prohibitions and teaching, is a case of presenting false choice.   Surely a Christian should seek to consolidate the whole teaching of scripture, rather than take one passage and claim it allows, or nessecitates change in others.    Only where the bible indicates change, is that correct, as for example in the ot food law being modified in the nt.