So your saying he was taken there, adopted and brought back again. This is my sugestions to you. Visit more than once to see his personality, people will say anything out of guilt just to get rid of a dog. Unfortunate but true. Dog rescue is great and there are some wonderful dogs out there that need a home. Since you are a young inexpereinced girl, as apposed to a person that has had many dobes of all natures. Do you know someone that can test his personality.