Focus   Do you systematically nurture your relationships with your best clients? We all do business with other people. Here are three important questions to ask yourself.   Have you been able to clarify what are the key advantages of the goods and/or services you provide and who will most appreciate these?   Do you think consciously and systematically about your relationships with your best clients and do you have a plan of regular contact with your key targets?   Do you have a network of referrers and, if so, how do you manage this network?