My Colocasia esculenta “wakiki” is a new addition to my home. I repotted her about 10 days ago, and water her every 5-7 days with wet soil but never drowning. I don’t see any bugs on her leaves or in the dirt, and I sprayed with neem oil three days ago just in case something was growing/living in the soil. I gave her fertilizer a week ago. She’s beside two windows. However, every time a new leaf pops up, another one turns yellow and dies. What am I doing wrong?