Hi, I've got a beutiful royal blue crown betta. I've found he is very responsive to people, since I suppose he hasn't had much exposure to other fish in His tank. I feed mine regular betta food from a "feeding station", because, I figure, while he lived in that tiny cup since birth, he didn't have to chase his food all over. He took to it immediately after I put him in the 20 gallon tank. He has settled down nicely with the other fish; cory cats, pleco, mollies, platies, and a leopard catfish. He also likes frozen bloodworms.
Good luck with yours.