You either have diabetes or you don't. If you do, you are a full-fledged diabetic and you need to treat it. Diabetics are sickly people and you can't expect them to do a lot of physical things. No, they're not. In fact, diabetics who have their disease in good control are usually more physically fit than the average person.
Diabetics can never touch alcohol.
Yes, they can, in moderation . Pregnant diabetics have the same chance of getting through the pregnancy in good shape and delivering a healthy baby as nondiabetics.