I quit by cutting out nicotine.
I ran out of DIY nic last year during lockdown when we couldn't buy any and continued vaping zero nic.
This year I found myself vaping less and less until I finally stopped.
I never tried to quit and there are four mods "fully loaded" on my desk as I write...
https://www.iol.co.za/news/south-africa/western-cape/tremors-felt-in-cape-town-after-62-earthquake-south-of-africa-fc54564e-3016-4a1b-aabe-1fe6379b33e1
Tremors felt in Cape Town after 6.2 earthquake south of Africa