i've deleted instagram before lockdown and the only social media i've had and still have (but take constant breaks from) is twitter, though it doesn't annoy me as much since i don't follow any person i know in real life. for some reason i felt embarassed saying i don't have instagram when new people i met asked me for it but honestly it was the best decision i've ever taken. not seeing toxic people from my past on a daily basis helped me move on.
