Emotional Rollercoaster

I constantly feel like I'm on an Emotional Rollercoaster because of this man. My feelings are never the same. One minute I'm happy and the next I'm sad, lonely, and depressed all wrapped up in one. I know alll relationships have their ups and downs but this is becoming to much. It is like living in a sea of unknown. He says he loves me and want to be with me but I constantly feel like he is pushing me away only to bring me back in once again. It hurts because I feel so lonely and I rather hear the truth anyday than to be in a constant condition of hurt. I told he how I felt once but of course I made it sound all nice trying to protect his feelings, hoping he would understand where I am coming from. This time when we talk I have to lay it all out on the table. My feelings have to come first now. I need to be heard and some changes have to be made. No relationship can work like this. In the 3 years we have been together we never had any problems but now it seems like hell has broken loose on this relationship. Maybe that was the QUIET BEFORE THE STORM!!!!