Oh Saipan, I understand how you're feeling. A mixture of lonelyness, sadness, unknown future but also a guilty hint of elation and freedom.
I felt this way when each of my kids went off to college but especially my baby. When she left home it was devastating. But gradually we fell into a new rhythm of contentment and my crafts started taking over. Now they can't move back home since I've taken over their bedrooms for soap making!
I'll get easier with time, maybe a lot of time, but eventually it'll start to feel okay. Until then, my sympathy is with you. :cry: