pick from the following.
(1). Eye contact is one way to show him what he means to you: (easier said than done). People who are with other people, especially those they find appealing, don't stare at him physically or in his face.;
(2). You might already be up close and personal, but his eyes are a powerful attraction tool. But a little physical staring is necessary for a lot of people.;
(3). Look him straight in the eyes and stay locked for about thirty seconds, looking away a little each time. When you catch him looking at you, hold his gaze, but then don't stop.;
(4). If you can't look him in the eye, he'll probably assume that you're not interested in getting to know him. Though some eye contact is good, don't hold his gaze for too long.;Choose from options above and answer: What most naturally follows?

How to get a guy at work to like you 
Make eye contact. 
Eye contact is fundamental to flirting and attraction. The eyes truly are the windows to the soul, so let him see yours.
Answer:
(4).