You just need a slight attitude adjustment. Hills are what road cycling is all about! It's perhaps the safest way to get a great workout (slower speed = less injury risk), the scenic value goes up dramatically with climbs, and on the hills, you separate the wheat from the chaff (drafting riders).

Learn to love the hills - even if you have to take 'em slow. They will get better, and as you learn to pace on them, they will become the source of your best cycling.