No! Do not put 2 betas together! unless you get a tank with a divider!!! They are Siamese fighting fish! They'll kill each other!
* Talk to him! Get him a little tank house or tree to hide behind! Ours loved being talked to, if you Google it, there's lots of info on the web! Try www.bettafish.com Also, make sure you feed him! A lot of people think they don't need food but they do, just like any living creature!
There's certain plants (live) that you can put at the opening of his bowl. They eat the roots. This is very pretty too and I've heard that it makes them more colorful and gives them vitamins. Flower shops do this:)