Any other moms have a tubal?

Shareva
After I had my fourth child my husband and I decided that it was best I got a tubal. We two children together and I have two children from a previous marriage. I had it done the day after I delivered and was fine. The day after we came home I was sitting on the floor holding our new baby waiting on my older children to get dropped off. As I'm staring at him I get this overwhelming feeling of regret. I have felt this regret every time I think about the fact I got it done. I see posts on Facebook from friends and family that are pregnant and I'm sad that I took the option of being able to have children away from myself. I knew what I was choosing when I chose it and I was fine till I was staring at him thinking he was my last. Anyone else that got a tubal ever feel regrets? If so how are you coping with it?