Aw, first-time mom struggle talaga ito! Honestly, a few of my mum friends' babies were like that din around that age, some kids are just quiet observers muna before they start talking nang bongga, especially kung nakaka-understand na sila ng instructions at nakaka-point ng objects. But since you're a bit worried, I'd really suggest checking with your pedia just to be sure everything's on track, kasi they can assess kung normal lang siya o kailangan ng speech therapy, mas peace of mind lang talaga for you!