You don't. Either you trust him and continue the relationship without the admission OR you give it up. It is almost abusive to ask someone a question and keep badgering them to give you the answer you think is right. And you can't really know if you weren't one of the two people involved--be very careful about considering what others say as the truth.
Hasaq is a Swahili word that means "be quiet" or "shut up." It is often used to request silence or to tell someone to stop talking.
When someone calls you a 'hypocrite' it means you say one thing and mean another or, you tell someone what your feelings are and do the opposite. You may also give other people what you feel is good advice yet you may do the opposite of that advice.
"Schlaf schon" is a German phrase that translates to "Go to sleep now" in English. It is commonly used to tell someone to go to bed or to stop staying up late.
Think about that image and you'll figure it out. What would happen if you took a long walk, but the pier you were walking on was short? It is a sarcastic way to tell someone to go away and leave them alone.