Try a different simulator.
[link]http://www.flying-model-simulator.com/[/link]
This one taught me.

And here's a link to a program that will download and install a hundred or so different models
[link]http://www.tti-us.com/sim/aircraft.html[/link]

Try and stay away from 3D and find something that looks like your plane
Some of the 3D planes are Tailheavy,

I have been flying for less than a year, But I found out that sims are cheap to repair.