For internal mood regulation, it's a combination of time, experience,therapy, and meds. And organisation for me was something that either clicks or dosnt, sloppy handwriting is a charcteristic of Aspergers, having to do with fine motor control issues. If your school has Individualised Education Plans (IEP's) that can help, and being patient is extremely helpful. Remember that he has a very different brain from yours, and that will never change. He likely cannot see social cues, and may be very rude. He likely isn't trying to be rude, but it comes out that way. It is frustrating when. You have no idea why people are mad at you, but all of a sudden they are yelling, and it's also very scary. He probably is not trying to be aloof, but that's how it comes out. And yes, he is probably aware he is different, but doesn't know why. I hope this helps, if I missed anything feel free to ask follow up questions
