Freedom is limited, artificial, and therefore illusory, a shared hallucination at best. No sane mortal is truly free, because true freedom is so terrible that only the mad or the divine can face it with open eyes. It overwhelms the soul.
That would have no meaning, no purpose. Existence if given for free has no worth.
Madness string 2256
This delayed reaction is actually pretty normal for the people who are involved with the funeral and all it's details. As long as you are busy, you keep it together, because it needs to be done. After the funeral, after everyone is gone, then you have finally time to grieve. And it hits you like a train.