Love is a spontaneous feeling. Love is in fact something that undefinable in words. Although it gives immense pleasure, but if it happens with wrong person, then only it hurts.
There are some rason behind its hurting-
-If you donot understand your partner.
-If you do not pay adequate attention to him/her.
-If you dont give him/her proper space.
The most important component of love is affection, care and time.