relationship issues need to be settled down before it starts disturbing you. you have to fully understand what will it lead to and how will it affect your life in long run. when you get into any relationship for more than a year you start associating and sharing your feelings with that person which is quite obvious. in any breakup the reason for breakup is very important to deal with. you have not mentioned it here. if you had mentioned it would have been even more helpful in suggestions. suggestions: it seems that you have not yet accepted that you had a breakup. the reason for it must be challenged and accepted on your part. once you deal with that it will be easier for you to move on. try journaling or writing to an unknown friend (or to yourself) and share your emotions and feelings honestly. do not avoid recalling your memories because the more you avoid the more you get into it. go through it with the help of a counsellor and it will make you feel much better. follow up with the details of your relationship issue for the better management. consult a psychiatrist online --> <link>
i had a serious breakup with my girlfriend. i feel lonely. what do i do?