I carry what I like I’m 60 and still carry a Model 70 300 H&H Mag with 3.5x10 40mm scope for Elk. No I’m not as hard as steel as when I left the Marines. But to me weight is weight around my waist or my rifle.
Just FYI this year in Colorado I lost 20lbs in a week Elk hunting and felt a hell of a lot better on the last day than the first as It was getting easier.
Also you can shoot better with a heavy rifle than a light rifle. Target shooter prove this every year shooting offhand.