Steal?

He's really having a hard time with Techan's leaving and falling apart... my poor Ruka

I knew that feeling, when we have been accepted someone at our life and then for a moment when we are at relaxed mind cause glad to have him/her, those people just leaving our side at some point.
At a times we feel betrayed, at some times we feel miserable and some times we feel anxious then those mind and behaviour are come...
Pardon for my broken english.