Beans, I've heard that within three months of not smoking your lungs heal up to 90%. You're a third of the way there. If people ask me if I smoke I say, "No, I Create Vapor" It's completely different, don't let your co-workers give you a hard time. It seems people that don't vape have a difficult time understanding.
The same goes with people that are addicted to any substance, it's a lot easier for others to say, "why can't you stop taking that drug" than it actually is to stop because they don't understand addiction or substance abuse. Same rule applies here with ignorant people. You're blowing out 'smoke', so you're smoking. Except it's not smoke.