The regrets and guilt is eating me up

Hi, I’m a nursing student in my last year. I did something incredibly stupid: I took a shortcut and cheated on my clinical hours by putting down extra hours that I shouldn’t have. I know it was wrong… I got caught, and they failed me. I’m grateful to have a second chance, but this means my graduation is delayed by 4 months. I’m so ashamed of my actions; the regret and guilt are overwhelming. I keep replaying it over and over in my head, and I haven’t been able to function for days now. I just lie in bed and play with my phone. I was so close to finishing school after years of my family looking down on me. I know my husband loves and supports me so much, and it kills me to think that my actions have delayed our future plans. He keeps saying he’s okay and that everything will be fine, but I don’t know what to think. I wish I knew what was going on in his head. He should be yelling at me or something for being stupid… but he’s not. Im so embarrassed, I cant go back to school or to work.