Being in my 30's

So, I will be 31 in March. No big deal, I'm over it. I think being in my 30's is great! The kids are getting older, we have our own house, good jobs. I would say we are "established" as adults. I could do without the changes in my skin though!! Not to be vain, but oh my god! It's like I have a whole new face. A BAD face!!! I haven't had this many zits since I was 15 years old. The dark circles under my eyes are impossible to conceal now. I've always had circles under my eyes, but wow. I've had to buy all new face wash, toner, moisturizer, even make up. What is going on here? I'm hoping it gets better because if it doesn't I might have to start wearing a paper bag over my head!

If anyone has any tips, PLEASE help me out here.