RITE!!!
Genius
All the feelings you mentioned above can be felt for any one close to you not necessarily have to be in a relationship to feel all that !!!
YOU DO NEED HIM AND YOU WILL BE UPSET IF HE LEAVES U (inshallah you both will live happly ever after ))
may be not as much as you were first time round..
and soon as you find some 1 else he will fade !!!