Agreed. Young plant. Those stems look pretty normal to me. Purple stems, can be due to a nitrogen deficiency. Not seeing any signs of that. Your stems (and leaves) look fine. Rock On!
Yes thanks idk i dont have a fan In The room yet but i Will soon its about a month In a day And imma use a fan And use lights That goes on for 12 hours And off In 12 i guess thats called The flowering stage