>>1521712>>1521746feeling and thinking are exactly the same. thinking is different from logical analysis. since you're using everyday language right now you're not fucking using logical analysis, it's only applicable in very narrow conditions which basically means it's useless outside of operations (mathematics, computer science)
tl;dr you're using "feelings" right now to argue that fish don't feel pain.
Senti = to feel
sentience = intelligence, thinking