He entered the system at 3 months, bounced from homes and foster care until he came to live with us at 2.5 years, and we finally adopted him at 3 years. So many of these behaviors come from that but others such as his constant anxiety and impulsivity certainly come from experiences in utero. Now 13, he’s our kid - has my mannerisms and sense of humor, sharp witted, sarcastic, and curious. His sister merged into our family with ease but was much older during the process.