Karl
You've had alot of wide ranging advice here.
What i'd like to add is that it's not really down to you. I'm not sure of why we're here and i'm not really searching at the mo' but i do know that whatever your mum decides to do will come from her and not you.
Your mum's path in life is her path and hers only! Sometimes i think that we ex-JWs still have the JW mentality in our quest to turn people away from the WTS.
You CAN'T preach Karl!! You can't lay down 'loving booby traps' hoping that she will fall in and see the light of what you now believe.
Our quest is our own. If she NEVER sees it then that is the path she has chosen and who knows, maybe it's the path that she's here to choose in order to learn a lesson that she needs to learn.
Of course you can lead your life and she can see the example that you set, that you are perfectly happy in the life you now lead but that's where it stops.
Love her. Tell her you love her and let her see your happiness.
The future holds only thoughts that we now have, don't worry about it.
Fashion your path and be happy doing it. Your mum will fashion her own.
Peace
Lowden