Responses

I think they're just insecure or maybe there's just something, like how they're heart are the castle so if they die the castle will too so maybe it's for concealing there identity to avoid people from looking at them, or it's has a ominous aura which prevents people from approaching them whilst the mask giving them stats
more communication is needed- use straight blunt words pls. something like, "I love you. I dont want us to have a divorce." pls this is killing me- marry each other again and have a baby ٩( ᐛ )و (but i hope the mask thing would be gone by then TT)