'Who did he kiss yesterday with those lips?' he thought, gazing at Stepan Arkadyich's tenderness with his wife. He looked at Dolly and did not like her either.
'She doesn't believe in his love. Then why is she so glad? Revolting!' thought Levin.
He understood not only that she was close to him, but that he no longer knew where she ended and he began. He understood it by the painful feeling of being split which he experienced at that moment. He was offended by her, but in that same instant he felt that he could not be offended by her, that she was him. In the first moment he felt like a man who, having suddenly received a violent blow from behind, turns with vexation and a desire for revenge to find out who did it, and realizes that he has accidentally struck himself, that there is no one to be angry with and he must endure and ease the pain.
Alexei Alexandrovich was not a jealous man. Jealousy, in his opinion, was insulting to a wife, and a man ought to have trust in his wife. ... that is, complete assurance that his young wife would always love him.