Like yourself, I believe i turned out ok too! haha. However, I still think I would have been a more inquisitive and active person if my mother had had more patience in her to nurture that inquisitiveness in me when I was younger, instead of reprimanding me most of the time.
When do we draw the line? I feel only a parent would know that. I'll share the title and author only to those who wish to know. I'll pm you in awhile. Its always good to trial and error and experience it yourself the success or failures of adopting any particular approach. Even if it does fail, you would have gained knowledge more than none.
I think i should make this clear, positive discipline DOES NOT mean you let your toddler step, shittt, pisss, spit on your head. PosDisc is all about being kind yet firm. There are consequences when you use the PosDisc approach. Just not physical or negative consequences. That's why spouse and I decided to give it a try.
The PosDisc approach to your child hitting another person is to take the child by the hand, kneel down to his eye level and say, "It is not ok to hit people. I'm sorry that you are feeling hurt and upset. You can talk about it or you can hit your pillow, but people aren't for hitting." It doesn't matter if your child doesn't understand your words, but he will definitely hear your calm yet authoritative tone. If your child is of verbal age, add "When you have calmed down, please give the other child a hug and apologise."
My dotter is only 22 months. The book i read is only for up to 3 year olds. She still has a 2 years before she reaches 4. So when the time comes, I probably will have to read on positive discipline for older children. I'm sure I would have to make afew adjustments, suited for that age up.