You said it yourself: "Well Being a baby..."
So, back off and give the younster a chance.
If the horse does not know how to rate himself then train him. The easy way is to do this on the longe or in the round pen. You don't overstress the back (easy to do with a youngster) and he learns to balance himself before he has to learn to balance a rider.
What is your experience in using a longe or round pen? If it's thin then get somebody to help you out. Remember that this kind of work is not
done to "take an edge off" or exhaust the horse but rather to emphasize that to the horse that it's work time. It's about precision, not speed. This is particularly valuable with young horses.
Keep tack at this point to a minimum. I prefer to start youngsters in a snaffle bit with a very easy mouthpiece (I prefer the Myler bits, but there are good quality alternatives). You add "brakes" to a horse with training, not a curb bit. Curb bits add finesse after you've done the basics. Get rid of the halter under the bridle as it serves no purpose at this point.
This would also be a good time to review saddle fit and ensure that you're not creating future problems.
With a youngster your training periods should be modest (maybe 45 min. Maximum, including longe/round pen time). They should be done mostly at the walk, with short periods of work in gait. It should include work inside and outside the school. I would not add the canter until I saw the horse moving in a controlled and balanced way at the gait. Note that this is NOT setting a gait.
It is ensuring that the horse can effectively carry itself and rider. This will generally take at least 30 days and may take as much as 180, depending upon the maturity, strength, and fitness of the horse.
Personally, I don't like to see youngster much under three under saddle. But if somebody is going to do it then they have to realize that they are dealing with a very malleable horse. It can be formed into Good Things and it can be bent into Bad Things. The human, and their skill, is the difference.
Good luck in your program.