Quitting my job after the wedding

Okay so some things have happened at my job recently and it's become clear I need to leave. It has become a really toxic work environment and I can barely get out of bed to go to work anymore. However my fiance thinks it would be good to stick it out until the wedding because I will get PTO and won't have the stress of interviewing other places before my wedding. Is it bad to hand in my notice right when I get back from my honeymoon? Should I try to find other jobs even though I have a honeymoon planned and have this big life event coming up? What would you do?