I'm no Sir yet, appreciate you being polite/respectful though! Also, I'm a candidate without a slot just like you so I'm just sharing what I've picked up from lurking on here for awhile, and the other recommended groups.
As LNGH stated you have several more years for heavies.
Basically, don't worry about what you're not able to control (Age) and continue trying to move the needle/progress as a human being. Do some more searching around on here, Bogidope and join TPN (The pilot network on facebook) for more reading.
Happy hunting.