Do you have such kind of experience？In a bus you may look at a （41）___，but not too long．And if he notices that he is being stares at，he may feel（42）___．

It's the same in daily life．If you are looked at for more than （43）___，you will look at yourself （44）___，to see if there is anything wrong with you．If （45）___ goes wrong，you will feel angry towards other's stare with you that way．Eyes do（46）___，right？

Looking too （47）___at someone may seem to be rude．But things are different when it （48）___ to staring at the opposite sex．If a man glances at a woman for more than ten （49）___and refuses to turn away，his purpose is obvious，that is，he wishes to （50）___her attention and to make her understand that he is （51）___her．

（52）___，the normal eye contact for two people engaged in conversation is that the speaker will only look at the listener （53）___，in order to make sure that the listener does pay attention to what the former is saying and to tell him that he is attentive．

If a speaker looks at you continuously when（54）___，as if he tries to control you，you will feel worried．A （55）___liar usually exposes himself by looking too long at the victim，since he believes in the false idea that to look straight in the eye is a sign of（56）___communication．Quite the contrary．

In fact，continuous eye contact is（57）___to lovers only，who will enjoy looking at each other for a long time，to show love feelings that （58）___cannot express．

Obviously，（59）___should be done according to the relationship between two people and the specific（60）___．