Mary, I agree with Fridgemagnetman .... you really don't need any more clarification. He has told you what he feels for you. You have no reason to believe he has changed his mind. It is perhaps a bit too much to use the word "still" in any emails to him. He has a cold and his is trying to feel better. It has been a big help to me to accept that wanting reassurances of the status of the relationship is harmful to you both, in the end. It is a complicated road you have in front of you. Acceptance of the impact of AS on your relationship is key. Right now, it is early in the day for you both so it is on you to decide what you can manage.
As for declaring your love and your continued interest, I might add that some AS men, are full of words of love and affection quickly ... some never say them. I believe in saying what is in my own heart for no other purpose than it feels right. But I have also learned to accept that there may not be any words coming back. So go forward in this understanding.
Of course you are going to the fair. I don't see why he would not be going with you. Believe him that you are going. He has said so.
If you are authentic and loving and true to your own heart, then he will either join you or he will not. You will be able to tell more as time goes by. A month or two is a very short time to grow love and trust.
Go slowly on this ... and be good to yourself.