My friend recently had to do one of the most difficult things a parent would have to do.
Send her kid off to study in another country.
People might make it into something small, or say that it is some sort of rite of passage, or that parents have to learn how to let go and stop hovering over their kids but you would have to excuse the strong language here for a bit.
You have no fucking idea. Even if you do, don't judge.
I had my kids go off for a 4day Leadership Camp and I had one of the most torturous seperation anxiety ever.
It is one of the hardest things to do when you have spent decades dedicated to these kids, your lifeline, the reasons you make it through each day. Every difficult situation you put yourself through, they are the reason you continue doing it. Whenever you are down, they are here to remind you that they love you. You feel like crap, they remind you that you are appreciated.
And suddenly, the reason is gone. Off to find their own future and fate. All that is left behind is a shell without a proper reason to exist or live (for a while).
Say whatever you want, but it takes a soldier of a human not to moan that sudden emptiness.