Rolling over?

My 8week old baby is rolling over, his head movement is crazy good, and he tries to stand when being held and even walks when we hold his weight for him. Is this even normal he’s been rolling over since 6 weeks, and his head movement has been good since birth, he was definitely walking in my womb I could feel it so maybe it’s just something he feels comfortable doing. I just think it’s so cool😩 but the rolling over scares the shit out of me bc when it’s tummy time and he doesn’t want to he pushes himself over, but when he’s on his back and he wants to he flails until he’s on his stomach, should he even be doing all of this so young?? FTM