Oh agreed. I just don't think you're quite where you were - measuring you by your own v high standards.
On the age profile there's the likes of POM, Murray and Healy you mentioned. Aki not far behind.
We've probably seen the best of Furlong who's 32 and struggling with injury. JGP's the one you might be really concerned about - he's so critical to you and is now 33. Ringer's 30, Bealham 33, Lowe 32, Beirne 33, van der Flier 31, Conan 32, Henshaw 31.
Legs go at different rates but go they all do and sometimes quite quickly. Experience can compensate to an extent, but there's a reason why Father Time is world ranked no1.