I agree!You might get flamed for not adding any info to your post, like ph, temp, nutes, humidity and so on, bit as they say a picture says a thousand words. Looks like a classic case of overwatering, maybe a little cold too. Raise temp towards 80 and stop giving it water for a while till the soil starts feeling dry-ish.
Oh, and I can still see you tried to fold back up the leaves in the center pick