how can someone still have hope when everything just keep going wrong?

i never go out with girls that i like, i only go out with the ones i barely like. i have regents and a.p tests which ruined my social life because of all the studying i've been doing, it seems like everyone in my family is dying one by one, never been in a relationship that went passed a month, the girl that i really like left her boyfriend for me and i dont know how to ask her out. every girl i've asked out over the past 3 months has turned me down because there afraid of my best friends whose a girl