All babies are different hun! We have babies in my mothers group that arent rolling and a few that are almost walking and theyre All happy!
Is he very tall? My chn said taller babies take a little longer cos they have so much to move! It fits with the bub in our mg that isnt rolling yet but i dunno how true it is.
Either way he will be up and revving in no time and you wont know what hit you!!