gaaawddd my dad, i feel like bangin my head now

i got a B in math n he heard it as D, was like im really upset for u n bla bla, then again he calls n says u got B or D, i was like B B for ball, he goes like tau sahi se bola karo, kitna mood kharab ker diya tum ne n he was literally screaming, he aint happy on B also =( god knos whtll hppn when he cums home...fingers crossed.