That is just the birthday tradition. People give gifts because they are happy that person is born. It is a way of showing appreciation for someone.
I didn’t give any presents on my last birthday.
No
chocolates
give birthday presents no matter how long you've been dating
You get presents because its the season to be giving. And I guess its because its Jesus's birthday.
no
Go to the shops
birthday presents and Christmas gifts !
regalos
You can, but then your birthday won't seem as special as it's supposed to.
One can purchase 21st birthday presents at Torro, Vibrato, GiveMeGifts, GiftIsland, and other websites that sell all kinds of gifts as well as outlet stores focused on gifts particularly 21st birthday gifts and presents.
Birthday presents can be of different kinds depending on who it is for. You need to know who it is for and then search accordingly. Anything personalized would be highly appreciated.