my BF is year of the sheep and i'm year of the dog,may i know if we are compatible or forever?

Sorry to tell u that Chinese astrology doesn't see your compatibility forever. In spite of that, you can achieve your own happness by yourself! Just find each other's strength and ignore the shortciomings and then you will always get along well. Besides, you should communciate with each other in daily life so that you will keep intimate! By dping so, you will have a chance to be together for life long!