My 7 month old son has already started pulling hmim self to standing possition in crib?

he has also started trying pulling up on furnature already? is this normal at this age. everything i read says about 8 or 9 months but he just turned 7 months... it just seems like its a bit early.. soo when did your baby start doing this and if he is already doing this will he walk earlier then normal? thanks soo much for your answers ahead of time.. sorry if this question sou nds dumb but im a first time motnher... thanks again