How can I stop being a bitch on my period

Like I basically ruined me and my bf’s texting sesh when my dumbass self said “be glad ur not a girl” ughhhhhhhhhh now he’s mad???? I’m just mad now and what if he doesn’t like me anymore UGH bro KILL ME JUST SHOOT ME UGHHHHHHHHHHHHHHHH I’ve had excruciating cramps all fucking day to the point where I had to go home and drove myself home feeling like I’m about to die. I even told him I don’t feel well and like he doesn’t understand??????WTH please help I really need to STOP