Hello Friend, Good that you are seeking a help here. I can understand the suitation. Anxiety is not just a mental disturbance, it will also affect your health as body and mind are interlinked. Don't park all your happiness of life with one individual. Life is fun of twist and turns. So you need to be ready to face reality. Try and Keep your attention on other activities like hobbies, friends, career etc to minimize the attention on on single individual. Take some counselling support to learn the techniques to handle your thoughts and emotional control. Look at your suitation online counseling would be effective, feel free to reach out to me online for further evaluation and recommendation.

Feeling low, having crying spells, sleep and appetite disturbances, and difficulty in concentration and attention are some of the signs of Depression. Consult a Psychiatrist for a detailed assessment. It is likely with medication and counseling the symptoms will improve. If you are feeling suicidal or hopeless consult a Psychiatrist immediately.