Darling, in English-speaking culture, ‘guilt’ and ‘remorse’ are not used in quite the same way; although in Spanish, particularly in Latin America, they are used as synonyms.
In fact, it can be said to be a very great cruelty, because it is never desirable for us humans to have such a quality.
Human beings, despite being ‘rational’, are the worst predators on earth.
RE: How much is tolerance?