NEED HELP, QUUICK AND SOON!! ANY ANSWEERS APPRECIATED. (1O POINTS REWARDED)!?

My 2 best friends went on a diet and dont jhem have invited the otther 1 2 a fitness clas monday night. I want 2 go but they didnt invite me because they donrt think i need 2 go I really want 2 go the and dont have the courage 2 ask them. Im not going 2 just go turn up cuz thats just arrogant. And i really need ahobby and this is perfect thanks!! x