This is the situation Jonathan,* 83, and Ellen, 76, worry they are facing. The Alberta-based couple are both in good health and expect to live well into their nineties. They have built up a healthy, professionally managed balanced and diversified portfolio with an asset allocation of 60 per cent bonds and 40 per cent equities including alternative investments for Jonathan, and 55 per cent equities and 45 per cent bonds for Ellen.