Not always! I just find that, when I'm struggling with poses or ideas, it helps to set up a border to work in, haha. (Plus, I draw pretty small, so it helps me fit a lot of smaller pieces of work onto one page in my sketchbook without it looking super chaotic!)
![[Art] im thinkin arbys](https://storage.googleapis.com/paperdemon-prod-la/submissions/thumbs/art_41937_thumb_e1fbecfdf9809bb071a573a5bf28fa97601af1b418e59.jpg)
(Plus, I draw pretty small, so it helps me fit a lot of smaller pieces of work onto one page in my sketchbook without it looking super chaotic!)
Thank you for the question, though!