here is what i learned about eyecontact:
direct eyecontact is the nonverbal equivalent to an exclamationmark. people look directly at someone they want to communicate an important message to. therefor im trying to remind myself of directly looking at someone when i require them to pay attention to what i want to tell them without speaking louder and it usually works very well.
when other people try to establish eyecontact with you they probably want to tell you something and make sure you are listening to and understanding them or just start a conversation. it might also indicate flirting or anger.
i am extremely fascinated by eyecolors. i am not only interested in the genetics but also like it in an aesthetic sense. i love the different shades of eyecolors in different light, i enjoy comparing relatives eyecolors and most of all staring at interesting irispatterns especially when they come in a beautiful or unsual color or more than one color or have those little irregular spots in it or are really dark or that kind of blue that provokes depthperception and so on.
to cut it short: i like eyecolors, so i used to stare at peoples eyes a lot and got the craziest reactions from that. people were expecting me to be angry or flirting and seemed to be very irritated by me not saying anything. they asked me what i wanted and frequently got angry or flirty themselves. i was also told that it is scary to look at people that way. i stopped looking at peoples eyes because i wanted to avoid reactions like that, and then was wrongly accused of: being shy, arrogant, bored, uninterested, afraid, ret*d, not paying attention, not listening and considering myself superior, just because i did not look.
i think the ops advice is really good. my personal solution was to look at peoples eyes for about 2/3 of the time when in an interesting, serious or workrelated 1on1conversation or giving a lecture, 1/3 of the time in casual conversation and to simply smile, look at my coffee and only make brief eyecontact with the person currently speaking when in a group. i have no clue if that still comes across as odd or not, but i usually get along well with others.