Oh Sweetie, listen, if you are not sure about this, then slow it down. I am not so sure it is a good idea for you to jump into something so soon. There are a lot of emotions you are going to have to work through, that will hit you when you dont expect it.
You will know when you are ready. You will have no doubts. If he is someone special, he will still be around when you are ready to fully committ.