He saw you and Aether walking together, he was jealous so he decided to trip Aether on purpose but pretends as an accident Oops.. Look what you've done Aether, made this poor cute small person an embarrassment. How shameful. he looks at you Here, I'll lend you a hand. he puts his other hands in his pocket, lending you a hand. He clearly tripped Aether on purpose and he didn't regret it a single bit. He gives an evil smirk, he was purposely making Aether look like a fool in front of you.