Am I going mad?

I've been with my boyfriend for 7 years we have a 4 year old child, I am not blowing my own trumpet because I'm really not like that but I am more intelligent than my partner and it seems like everytime we discuss our relationship or anything for that matter he is very aggressive in the manner he speaks to me. He is quite controlling but I've always laughed about it but recently I have realised I am very much controlled and I didn't even realise it was happening. He has his own business and at times I've seen him do things which have resulted in disasters so when I see these things happening again and try to advise him he speaks to me like crap, then a week or so later I'm in a position to say.. I told you so which I don't. He constantly hands out money that is never returned to deadbeat relatives and if I say that it doesn't help the individual change and I fear my partner is being used, I'm told shut up. Today the dog has been limping for the third time in a month and I said he should go to the vets, he said shut the fuck up, what do you think I don't care?! Our sex life is none existent as I don't feel respected and I think he mistakes love for sex because the longer we don't have it the worse his behaviour gets. He will think nothing of just walking up to me, grope me and say I might get lucky tonight! I just don't find that appropriate and when I say something about it he says I'm a bore. I went through a really stressful year last year which resulted in me having a terrible case of hormonal acne which left me scarred, when he's been in a rage he has abused be verbally regarding this and even hooked me up to some cosmetic practices giving me the login details scarface. I've become very withdrawn but recently have undergone some treatment which is helping my self confidence and it's as though he has gone in to overdrive, he is like some sexual deviant, doesn't care for his personal hygiene and looks to argue or have a go at me over the slightest thing. When I try to explain the way I feel he says I'm mad or that I'm the only person in the world who thinks like that, if I push to resolve this he threatens to just leave. I don't know what to do, please if anybody has any advice it would be greatly appreciated.