There comes a time when the family has grown up and moved out, and the parents are left with a massive house. Downsizing is a key option to consider. However it is more important to consider what you want from a new house such as access to lifestyle, family and freedom. 

Robin and Stefanie Wohnsigl are an example of a couple who have smartsized into a home located in a 55+ community that suits their needs and desires (Source:  https://www.inquirer.com/real-estate/housing/retirement-downsizing-55-plus-communities-single-family-homes-townhouses-20190928.html)