What are the requirements for a valid will

Part 1:Assume you are an attorney and you are asked to prepare a Will for an individual you suspect maybe suffering from some form of dementia. What is a will? What are the requirements for a valid will? Describe how you should approach the situation. Be sure to describe the pro’s and con’s to your approach and to defend your position with citations.In the work by Karen Sneddon (Not Your Mother’s Will) found in the required resources, there is a discussion about gender and the language of wills. What does the author say about the issue and why or why not is this important? Defend your position.Part 2:What is a codicil? Is it preferable to add a codicil to an existing Will or is it better to simply draft another Will for the client.