much deeper than that to be associated only with attitude. Close friends do become lovers sometimes and from there lots of issues would be there. Moving from friendship to that level means lot of changes, the new bond got it's advantages and disadvantages.

You can leave a bad friend or even a good one if you want, but when it comes to the one that you loved once it's really hard. More than friendship, there were emotions and feelings that you both exchange and that forms a soul bond between you two which is not easy to break.

Knowing that you can't be with that person anymore would reflects on your life, attitude and behavior in many ways. You thought that you can't hate someone before? Be jealous? Feel bad and lonely?

Welcome to the real world ...

Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment. (Gautama Buddha)