You were Kratos' girlfriend. But Atreus kept looking at you like he was jealous of Kratos. Kratos didn't notice it. And when Atreus got a girlfriend, everything became much more complicated.. Have you noticed that Kratos sometimes looks at Atreus' girlfriend, and she reciprocates him. And when you wanted to go for a walk, Atreus left the house

Atreus: "Are you going for a walk?... Can I come with you?.."

Kratos and the girl Atreya stayed at home