They might just convey their feelings differently. Just because somebody doesn’t use emoticons does not mean they do not like you. Sometimes, people believe emoticons can be perceived as “sarcastic” or “rude” and choose, for those reasons, not to use them. Don’t take a lack of a “:D” in response to your “xD” personally; sometimes the person doesn’t care for them.;
, Keep in mind that sometimes people have a dark or dry sense of humor. Sometimes the things they say can come off as rude, but often they’re not meaning to offend you with what they’re saying.
 Think about whether someone has a reputation for being “mean” and you meet them. You will immediately expect them to dislike you. Open your mind to the possibility that, just because they speak one way to one person, they may treat you totally differently. This can go both ways; if the person who you are speaking to has a pre-established impression of you as a rude person, chances are they will treat you like one.
 Offending people is a premier way you can becoming disliked. People can react very badly to insulting things. Do not immediately get defensive if you say something and another person starts to give you attitude; try to calmly and politely explain what you actually meant, but do your best not to sound sarcastic or snarky.
 Despite your best efforts, people will not like you. The trick is not to become a sycophant; if they choose to dislike you, sucking up to them will not make their opinion of you any better. In fact, it might very well make it even worse than it already is. If it’s clearly established that someone is not a fan of you, leave it alone; be civil when you need to speak with them, but otherwise try not to push them for a response.
 Reaction can do a lot of damage. Reacting isn't something you should take entirely personal. People always react in their own ways to things that are said. A lack of emoticons and exclamation marks does not show dislike; it may merely express a more mature, concise outlook on things. Try to think of it as a different way of expressing themselves online; emoticons are not the only ways to show what you’re feeling through your words.
 Things happen.
 It usually happens when someone meet other people on the Internet and fail to make some emotional ties or when the other person meet new people he/she considers more attractive than you. The best thing to do is to try to convince the other person that you're really interested in him/her and that you want to meet him/her in real life. Try to tell also the real motive that moved the other person to get into contact with you.
 These are a special group of people that have nothing better to do except go on websites and post things that are meant to be so rude or outrageous that they get a reaction from many users. As the saying goes, "Don't Feed the Trolls", meaning don't react to them since all they're looking for is attention.
Consider the possibility that maybe that’s how they type.
Think about humor.
Remember pre-established dislike.
Try not to offend others.
Realize that sometimes it's impossible to change the way someone thinks.
Don't react.
Know that sometimes two perfectly nice people don't get along and don't take it personally.
He/she has little or no interest in you.
Internet Trolls It's completely possible you might be dealing with one.
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