3. “You must be so busy. Are you doing okay?”
If you ask him how he’s doing, he’s likely to respond to you. Specific questions, such as “How’s your project going?” or “Are you looking after yourself?” will prompt him to reply “I’m doing okay, what about you?” Nevertheless, if he’s swamped at work, you may not hear from him right away. If that’s the case, don’t rush him. Have patience, and show some understanding for his occasional silence.