Kindness is one of the cornerstones of the mind’s evolution. Animals are very aggressive and rarely help each other. Kindness is a mode that favors exchange of information.
To get an answer, try not to ask a question. The answers are often afraid of the questions and fleeing from them. Question this aggression, no one likes, when to him belong aggressively.
Don't take hits from inconvenient adversaries, they often want to provoke you and involve into conflict, they feel your weakness, feel they can eat you and own your energy. Nearness of the food makes them aggressive, they attack you, barking, trying to provoke fight. The best you can do is shout “No! No, doggy”.
It's only love that can win the triumph over evil. Human evil nature is the direct consequence of need for love. They really lack love and it makes them evil.
A situation when someone wants to get too much but gives too little, is called 'vampirism' and makes people want to hammer a stake into the bloodsucker's heart.