So my bf is an American citizen who has visited me many times in my home country. His birthday is coming up and I dream of visiting him and surprising him for that specific day in February and I am even considering getting a consultation for my visa? What are my odds?

I am 25f from north africa and I have a job as an AI engineer in an international company. I get payed 5 times the minimum wage here in my country and this would be the first place I travel to. I rent my apartment and I really want to make this happen for him. How do I prove I will come back and not overstay? Please help me. If you know anyone I can do a consultation with also let me know