Baby kicks HURT !!

Ar

This is so new to me because I was humongous my first pregnancy and my son barley moved BUT THIS PREGNANCY !!! Omg I’m so small but his kicks and stretch’s hurt so bad . They’re all in my sides or he just decides to camp in my side which definitely hurts . Idek what to do about it , he’s such an active long baby . Is anybody else going through it ? I’m 31 weeks today and this has been happening for about 3 weeks now .