@Anonymous1989,
If professional help isn't helping what can we really offer you other than to remind you of choices?
The grass is always greener.
This is why I'm not a fan of marriage. People change, passion dwindles and both people become so familiar with each other they stop trying to make the other happy or enjoy their lives together.
You love him and want to be with him but you feel you are lacking and he either is incapable or not wanting to fulfill that need for you.
The question becomes how important is this to you? How you answer is where the solution is.
If you cherish your marriage more than your happiness then by all means deal with this.
If you can't you might need to consider moving on even if that is a bad idea for you. I don't like seeing or giving such advice to those who cherish manogomy but it might be your only option if he refuses to help you with what you need.