You spend your life with someone , all the stresses that come with it , kids , jobs etc . Kids move out and have family of their own and its back to just you and other half . When they go its just you left , the kids give you time and love but they got families and lifes of their own. Your on your own and it can be a lonely exsistence . My grandad wasnt a pub person or really social apart from the acquaintances him and my gran made so their was nothing for him to drop back to . I do know one thing tho its not all about being forgotten about and literally on your own . My dad built a extension