What to do to keep my car in good condition?

I have a 2006 Honda CRV with about 83K. I'm in college and really want this car to last til about 2018-19. I wouldn't be able to finance another car. Anything other than routine matintence and oil changes to increase the life of my car?

Stay up on cleaning, on fluids and filters, baby it when you drive it. Change that oil atleast every 5000 miles regardless of what youve heard. Tune it often as you can (every year or 2, forget the 100,000 mile thing, old cars would do it to, but youd be surprised the difference plugs and wires makes!)

never get it hot, that gauge starts rising, stop, allow it to try and cool but if it still tries to climb, shut it down. Always be hands on and with a decent service manual(haynes will do). The more hands on you are, the less chance something will sneak up on you.
funny thing, i generally drive my vehicles over a decade and just get tired of them. I also choose to drive v8 powered vehicles. Never owned a new vehicle and only 1 with low mileage that i lost in a divorce, yet once i get setup, you never know what the mileage on the drivetrain is, because i'm a hands on old school gearhead. I've had at highest count, 1 extra transmission and 4 running motors for 1 vehicle lol. It was a playtoy. It took me roughly 10 yrs to build what i wanted. That car was a 5.0 with over 300,000 on the chassis and would turn an 11 without a strain.

Keep all the finishes clean inside and out maintain service intervals change oil gospel-ly a clean car is a happy car

In my experience all Honda's are pretty good up top,
underside?
not so much!
I've put almost perfect vehicles on the ramp and lifted them up to see disaster looming,
they rust badly, fuel tanks/straps…
basically every thing steel.
'course round here they salt the roads.
so if they do where you are rust proof the underside.
Oh and this engine has a timing chain, not a belt.
One thing kills this, and that's lack of oil changes,
so lots of them.