Preschool Fears

As you may know my 3 year old son has a form of Autism. I am fortunate that our school system has a fantastic early childhood program that we are a part of in addition to our regular therapy. We currently go to a toddler class one day a week and he gets to play with peers while mommies hang out in next room for some adult time. For me its tough to not be with him every moment it might only be an hour and there is a 2 way mirror so i can see him but for some reason i still worry. Keep in mind he for the most part is just fine and probably doesn't notice my absence he loves school!   So as I adjust to this new separation we look ahead to preschool.  This is gonna be a biggie for me. He will not be old enough for the "real" preschool till next fall so he will be joining the special education program to ready him for school with the hopes that he will be able to adjust to the surroundings and transition with no problems next year. For anyone who is not familiar with Autism most kids( all though not all because with Autism every kid is so different) Are very bright. This is the case with my son. He is very smart more than his age he just can't do the day to day routine tasks , moving from one activity to the next, those little life skills we all take for granted. I worry about the time apart i will be leaving alone for a few hours 2 days a week. It's almost too much for me to think about. I know know every parent goes thru this even if your child doesn't have special opportunities. I will admit that he hasn't been alone with anyone other than grandma or daddy since he was 6 months old.  So it is time to take a step from the nest and hopefully mommy will be OK  :)