Being Alone...A Choice or Are We Following?

I recently visited my mother and father who both are in their seventies now. Even though it was wonderful to see them a sadness came over me.  Four o'clock in the morning my mother makes coffee, sits in the recliner with her blanket and falls back asleep. She wakes back up when my father rustles to get his morning coffee, then proceeds to makes his breakfast. They both sit at the table in silence while my father watches his news. He gets up and goes back to his office while she cleans up; every morning. I was with them for 35 days and nothing about their routine changed.  They do not commingle with friends, go to the market together, walk together or anything. At least they didn't for the 35 days I was their.
   When I visited my grandmother over 25 years ago she was alone, in her recliner with the television remote control. She lived alone in a Florida community with plenty of other seniors and even a shuttle service. Still she sat at home alone, no friends, repeating the same routine everyday.
      I sit alone at home reading, writing and doing housework while my teenage son is in school. One of my daughters is living on her own now, the other is almost eighteen. My husband works either on his computer or away from home every week. Although I push myself to meet people in this new location I surrender to being alone in my home. I got up early this morning, made coffee and am fighting falling back to sleep again before I have to make breakfast for my men. This is clearly a cycle that I am going to break, but is there a gene I am missing here or will my children be lonely too?