Should i ask him????? PLZ HELP =[?

i really like this boy and i want to ask him if he likes me bec. i cant stop thiking about him =[ its TOURCHER =[ the thing is that i dont talk to him that much like once or twice a week =] but my BFF wants to talk to him for me bec. he sits next to him at lunch but idk if i should wait it out or if i should just go Full throughtel but im like really shy and all so ya =[ im good with other people and there relationships but i cant deal with my own =[ PLZ help