Deciding to make a will and then actually putting the decision into action can be a somewhat stressful, upsetting and daunting task for some people. So it may be a little disconcerting to learn that after you have put all that effort and thought into planning your Will that there might be some opportunity for those left behind to change your instructions and alter your Will. after you are gone. It is a perfectly sound argument to point out that you have the right to leave your possessions to whom you please