Sir 2 days ago my cousin sisters was here with me then she went at her home. I am very close to her. After she went then my mind is constantly thinking about them only. Then after few time that day when I thought about her my breath increases slightly and mainly there is a heaviness or something strange in my below breast bone like in chest or heart region. Whenever I think more about all this theres more discomfort to me. I'm not able to concentrate properly and think properly. Its happening since 2 day's. And when this kind of think happens and then I take a long breath this it is decreased by afterwards it comes back. Sir please help. I have noticed that whenever I think about her this happens. I try to avoid thinking but it always happens opposite. please help sir.