Break it up with the daily dungeons/raids. Also, ARR is the longest slog to ever have slogged - they cut it down significantly already and it’s still a massive slog.
Take a break, return for the actually good expansions later. It will still be there.
Yeah, I have 300 hours from doing all the quests up to ng+ but I couldn’t bring myself to repeat all that. Especially the temples.
…and also I am very impressed by the engine. Fallout 4 would have me running into LOD version of the world if I sprinted for too long, Starfield handles
setav speedmult 500
like a champ. Makes exploring a breeze.