Wow was an understatement for me years ago. It will take some time but your life will one day have grandkids to fill some of the void. Congratulations on a great job at raising her.
It is a sad day when they leave I know the feeling. My daughter came back three times. Each time she had more kids then a boyfriend. I was glad to see her go the last time. I believe she gets it now and can make it on her own. I turned the room into a mancave anyways so there is no coming back. Enjoy your time I know it is lonely it does get better.
Sent from the mind of a mad man and his little device.