The tendril brushing forth in greeting is impossible to ignore, as is the jolt that - how could he have not realized? - there's consciousness here. Something alive.

Aaaaaand he may have more or less just trespassed upon what amounts to be a private space.

Whoops.

He projects a wave of apologetic reassurance in response, hasty and multidirectional, and hopes it communicates his intent of not meaning to invade. He never does. Without any means of controlling where he ends up, however, it's all something of a lost cause.