I've dropped quite a few. I'd stopped watching The Heirs (no surprise there), Orange Marmalade, Secret Love Affair, Strong Woman, Suspicious Partner, Missing You, Temptation, and Playful Kiss (idk why this one is so popular, it's honestly so bad).
The issue I have with these dramas is that they'd either start out good but later get start to drag on and go nowhere, or they'd become super confusing with all these different characters and side plots and I'd just end up not knowing what's going