It's 'lonely at the top'. [=powerful and successful people often have few friends]
He was/felt 'lonely' without his wife and children.
the 'lonely hearts' section of the newspaper
(..) Why is he there? Watch out. What the hell is wrong with this boat? How long must we walk? It's so far. Just one lonely road with nothing around. You've come home! Is that your bride? Excuse me, is he...? He's my son. (..)2007 Kantoku · Banzai!