No, not always. People cannot always have what they want, for many reasons.
It should be want to instead of wanna. Or want to
Should he want"Should he want a red shirt, we have them here.""Should he want that expensive car?"He wants a red shirt.He wants a car.Confusing, I know. Sorry!P.S. Your title has errors!
If you want to, and he wants to, then you should do it.
It depends. If you want to be a physician (a medical doctor), you should get into medicine. If you want to be a philosopher (a PhD), you should get into liberal arts.
Do you mean should women have careers after marriage? If so, sure. If they want a career, then they should have one. The reason they should have one if they want one is because they want one.
If you want to you should.
You want to develope a antivirus software what should you want you learn in programming languages?
You should accept her for who she is and you want her to be herself.
If you want to you can. If you do not want to, don't.
If you want it to work, it should be on I, if you want to turn it off it should be on 0.
It depends on what they did. If you feel you want to then maybe they should. If you forgive them and want to give them another chance then you should.
Someone should become a nurse because they want to. Nobody should become a nurse if they do not want to.