1. **Eyes**: They appear wide open and alert, suggesting surprise or sudden realization. There's also a sense of pensiveness, indicating deep thought or trying to process some information.

2. **Eyebrows**: They're slightly raised and pulled together, signaling confusion, concern, or deep concentration.

3. **Mouth**: The lips seem tense, and the mouth is closed. The slight downturn of the mouth edges can be a sign of distress, sadness, or contemplation.

4. **Hand on the Head**: The gesture of one hand placed on the head, especially near the temple, often indicates a state of deep thinking, distress, or trying to remember or process something. It can also be a gesture made when faced with a difficult situation or decision.

5. **General Body Language**: His posture, leaning back slightly, can suggest taking a moment to think or reflect. The slight tilt of the head reinforces the idea of contemplation or trying to understand something.

**Conclusions**: The individual seems to be in a state of contemplation, trying to understand or process something. There's a mix of surprise and concern visible in his facial expressions. The tense lips and the hand gesture suggest that he's either distressed or deep in thought. The slight downturn of the mouth edges reinforces a sense of sadness or concern. Given the combination of these cues, he might be experiencing a moment of realization, concern, or trying to make sense of a perplexing situation.

As for the genuineness of the emotion, the congruence of the eyes, eyebrows, mouth, and hand gesture all pointing towards a similar emotional state suggests that the emotion displayed is likely genuine.