Seeking advice: hating job and want to care less

Recently, work has been overwhelming and stressful. So much has been put on my plate, that i feel like i am drowning. I could see shit hitting the fan in the near future. I am viewed positively by leadership, and have always been willing to ‘step up’. How do i not give a fuck? I would like to quit, but i would owe a large chunk of change back to the company. If i get fired, i would owe any money back to the company, which would be ideal…