Don't delete your account, it isn't worth it in the end. I'd recommend to just take a break from the site for however much time you think is fit. It'll help as long as you don't check imgflip at all (cause that defeats the whole point if you do) and hopefully, you'll be able to cope with whatever's going on. Honestly, that's the best solution, in my opinion. I know you're probably hating how cliche I sound, but it's commonly said for a reason, you know. Hope you feel better soon.