1. The heart rate accelerates, as if every beat can be clearly felt, accompanied by a slight sense of tension.
2. The gaze is involuntarily attracted to the other person, and the gaze is difficult to move away, often replaying the other person's smile and behavior in the mind.
3. An impulse arises in one's heart to approach and understand the other person, willing to contribute to them, and looking forward to establishing a deeper connection with them.