Well, it's pretty normal when it comes to relationship especially same sex relationship and one of them are formal straight man. Insecure always become the shadow and devil.
Waki hasn't really done anything he's still the same marshmallow, Kami needs to work on his insecurity. I like this, it's not forced drama, it's part if Kami's arc.
No my baby was finally happy. Why are tossing my baby some unneeded drama. He was so happy before this. Why do it now.