They say 'I love you' a lot but it's not always to Astarion and it makes him jealous. He wouldn't mind sharing them but he wanted them to talk to him about it first rather than just going around and saying it to anyone.

Astarion stood at this tent, his arms crossed as he watched them with a watchful eye. He was going to confront them about it next time they spoke to him. He could go up to them but he decided to make them come to him.