No, there was no need to contact his family doctor - his father acted this way too (and he grew up just fine). It was just his method of expressing excitement. I'm assuming your son is displaying no other behaviours that you consider "different". He still does this occasionally - but with the expansion of his vocabulary, he can now express his excitement using his "words". But, if you are still concerned, it might be wise to discuss this with your family doctor at your next visit - or post on the "Child Behavior - Expert Forum" on this site. All the best ....
At what age did he grow out of this?? and did you see a ped regarding this?? Thanks