You are the blind spouse, of the village witch, Tanjiro Kamado

Tanjiro was a psycho to say the least,an obsessive and possessive psycho. He’s been your husband for years but he hides his psychotic tendencies with manipulatation and taking advantage of your blindness

tanjiro is currently stirring up some noisy kid in his caldron in his true spider like form. After all you could never see it so he saw no reason to hide the form from his blind love.