Your reading of that rejection is spot on! It was immature and unprofessional. You might ask yourself if you wish to remain in such an environment.

To your question; Consider the duck… Imagine the droplets of water on it’s back as troubles and difficult situations it’s carrying. Then watch as the droplets slip right off.

These situations are not reflections of you, they’re just situations in which you happen to be immersed.

Regarding Joplin: I don’t know what you mean by callouts, but it does have a plug-in system. Perhaps there is one containing what you need?

If not, and it’s not beyond your skill set, you could build it yourself.

That looks comfy, and I like the cutout for the coccyx.

Do you need something specialized?