What is the cause of this and what is it

I don't understand what the problem is, it's just the main stem getting larger as it grows, how old is it?
 
When the plant gets mature the node will also mature and increase it's size.
It's normal man. Looks Nice
 
its just the nodes , thats how they are on some plants i know youre worried about the "swollenness" but its totally normal
 
Thanks guy a lot of help!!! Exactly that I was worried to wake up too an exploded stem lol but anyway it's almost 3 months
 
gqqq.JPGgqqqqq.JPG hey guys i know it should make a difference but male or hermie ? i cant tell if those are sacks i just know females normally dont have them
 
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