Good on her for saying it straight-up, that he needs to say if something's wrong. He can clearly tell that she treats him differently than other people, in a positive way, but his math grades must be absolute shit because he still can't seem to put two and two together.
Very much depends on the cat. Some show their affection through "aggressive" things, though they generally keep it at play levels, with injuries being more from human skin just being easily broken. Other cats are more affectionate through cuddles, grooming, nudging, making biscuits/kneading, or...
To be fair, the setting itself has it such that the abilities are the only way to truly kill monsters, so the focus generally is on their powers. Magic is more for utility and support as a result.
Adding to this, the gods in charge of the two of them are clearly playing a game about it, working together to organize things in the background to lead events to that conclusion. If memory serves, they're not even facing one another as opponents with the MC and son as pawns, they're more akin...
Pretty much this. His core power is appraisal / information, so his effective power is being able to know who and when to properly delegate tasks, in both management and combat, and how to improve and support his subordinates.
He did summon them to bless the temple in front of a crowd (though keep in mind, the bulk of that crowd were people of importance and note, not the common person), but it wasn't publicly revealed that he became a living god, since that happened a day to a week later -outside of those who have...
Had to do a bit of research to check if Japan still even has orphanages, given every other developed nation has moved away from them, following both scandals and scientific studies. Turns out, they do -and have even been chided about their orphanages by the UN. So... you have a valid point.
Nah. If you look on page 22 of Chapter 4, Aries' dad is likely the guy on the right with the more defined eyebrows (his eyebrows match in the first panel of the next page, and he does the same damn pose the very next panel), and his mother is absolutely the woman next to him, on the far right...