I don't love him like I used to, have I committed too much to leave?

My boyfriend and I have been together 2 1/2 year (we'd know each other longer before that too) and recently I've been feeling like I may have made the wrong decision in dating him. I would ask for a break or break or off but we've bought a house together and we have two dogs together and financially he supports us more. I could do it on my own but honestly the thought of leaving and potentially not seeing the dogs we have (I'm very attached) is a bit much for me to think about. He's a lovely person. He's just not for me, he's pretty immature and kind of self focused to a fault. I'm always an afterthought and his wants and needs are priority over mine so I have to be blunt when I want something and it turns into me being too bossy. I'm left doing so much for him and he has no flexibility for me. We've been so close for such a long time and my heart breaks to think about it, or to think about him being sad, he is very devoted to me and tells me how lucky he is, but I don't feel that lucky. Is it worth staying in a stable secure home with a man who loves me? Have I got anything to even complain about?

Plenty go through these issues & some people sit down & talk it through & tweak it so it does work but not everyone ends up happy after doing so. It's mainly people with kids who adjust & stay together. At the end of the day, you have to ask yourself if this man shares your values & knows your language of love intimately & no guessing etc etc. Yeah Ok, 2.5 years & you're committed with real estate & the four legged 'kids', but if you're not happy, you probably wouldn't have to look for the reason(s). You do, however, have to act on it & if you walk, you have to walk away with your head high knowing you've done the right thing. Any doubts & it's probably not the right thing to do. If your gut says yes then all OK, if it doesn't then listen to it carefully. Not everyone will agree but even if he agreed to change for you, it'd be hopeless. There's a couple of things that stand out in your post & that's; he's still your BF even after buying a house together & you don't mention your love for him..