If you are nine months into this relationship and he is YET to tell you that he loves you, he is either VERY gun shy or he is full of horse manure. You are the only one with him every day, so you need to make an 'objective' decision of which one it is.
If you have any doubts as to whether he still has feelings for an ex or not, chances are he still does. That doesn't mean that he can't have feelings fo you, but it does make it harder for you to go forwards. I know from personal experience on the latter.
I would sit down, weigh out the pros and cons on a sheet of paper in an objective manner, and decide whether or not the risk of more of my time and more of my heart is worth it on this man. That is your decision, and you need to do it with a rational mind if at all possible.
I will be praying,
Saremks