We’ve watched him fight the bad guys for several decades and periodically gotten insight into his personal life, but the day will come when he either retires from the IMF or is killed in the line of duty.
It’d be better to see Cruise make a graceful exit with these last two Mission: Impossible movies while he’s still able to pull off these physical feats.
By the time Mission: Impossible 8 comes out, he’ll be around 60 years old, and eventually the time will come where he can’t handle the action work required of him.
It would be one thing if the Mission: Impossible film series was more of an ensemble effort, but as things stand now, this is still primarily Ethan Hunt’s story.