I think itd be down to him ebing in a new home.
he is handsome

what breed? Im think Maine coon.
I feed my guys on purina wet food bot the best but right now thats what they get. They also get a holistic dry food that all naturel and no crap in it.
I feed them bits of raw and hope to haven all on a raw diet when i move out.
I fed tidbit kitten food only a couple of times. I found it rather expensive so I just put her on adult food and shes beeen fine.