Confusion

ya kula da kae ne sosae

he is definitely suspecting you or doesn't trust you or has heard some news about you. someone cant be stalking you kamar wata suspect in the name of being a good husband. he is just trying to cover up by saying that. ke ma ki gwada saka mai ido ki ga reaction din shi then you can have a conversation but do it in a romantic way kada ayi creating heat.

Or perhaps he is the one that did something wrong and he is projecting his guilt onto you. you need to also mirror the behaviour and check his phone and whereabouts perhaps you might learn something new. By the way, this is not normal. actions speak louder than words since he just started this, someone probably told him something about you or he saw something on your phone or somewhere and he is suspecting you of infidelity. You need to have another discussion with and don't just accept vague replies like "he is being a good husband". Best of luck!