Has the relationship you are talking about come to an end? Grieving a broken relationship is very natural and will take time. You can do the following things: Take time out for yourself Engage in some hobby Yoga, meditation Regular exercise and healthy diet Get a good night's sleep Reach out to friends and family Concentrate on career plans and work on them positively If you find that this is not helping or you are very distressed, you may seek a therapist/counsellor