Like maester Aemon.

I agree there seems to be nothing benevolent about the R’hllor. I think all magic in this world Martin created is evil.

She will die in childbirth. Well that's my prediction. 

I think he will die but because he was resurrected by earlier magic, he won’t be a true wight. He will be more like Benjin Stark (or cold hands in the books). So he will be able to infiltrate the night kings army and kill him or negotiate with him like he did with the wildlings.

While, I don’t he will die he might have to sacrifice any happiness for the greater good. Plus I think he will suffer a devastating loss. As one commenter suggested, he may have to become the next night king. Maybe he have to rebuild the wall. Anyway, I expect he be very unhappy. That will be the bittersweet ending.

The dumb part is that they didn’t have to do any of plot with the raven. They have already established that Dany and Jorah have a complicated longstanding relationship. He saved her life twice, she thought he was dead and would never see him again. He finally comes back and she is happy. They can show her being…