6 year relationship.im 21 and he is 22. we have a beautiful 4 yr old.. relationship rocky but over all ok..?

now it was my birthdate may 12th and were low on money after rent and bills and car parts. He didnt get me anything that fine just make the best of it i say!! I love him and i really dont need anything i have most of my wants, except for my happiness. He is happy for me as long as it doesnt concern him. for instance i asked that since he didnt get me anything for my birthday that he take me on a mini vacay to miami memorial weekend bacause i want to see tey songs perform... he says no...now i know he does work weekends but one weekend wont ge you fired or hurt us too much on $$$.plus my mom will stay with ou baby girl. if he goes with me!!!. still he says no. so i made plans o go with my bff we wanna go see the concert and i know i wont do anything bad. i just want to go to spring fest .. should i cancel?