He's very happy :0) and they do .... do these kinda macho things when they are in love or looking toward a mate. .... Congrats ... your bird is happy and loving you!
They do this to show dominance or sometimes thats how they play. He also may be making a breeding call to attract a mate.
Its maybe it wants a mate?
buy a mate see what happens
or maybe his sick?
it is for bragging and showing dominance to get a mate. it only show that it is a male.