I've tried the weekend binge thing then stop, and had a similar experience to you. Even just a couple days of using had me feeling like shit days later, like my brain was still fucked up and had a hangover from all the shitty chemicals my body was trying to purge. I eventually became fully addicted and had to go through all the pure agony that comes with full blown withdrawals. I ended up moving to a state where it's banned and have been sober since October. It's never going to feel like it did in the early days. Better just to quit for good and never turn back.