I've had Buddy 3 weeks yesterday. The previous owners told us he was 2 yrs old. But from what we've seen. I don't know if that's true. I feel he's been abused. Buddy seems more aggressive towards my hubby than me. Yesterday was the 1st day Buddy ever opened his mouth wide at me like he wanted to bite me. He has actually bit my husband and hisses at him all the time. What is going on?