Why can't Richard and Kahlan B 2gether ? I mean they love each other?!

They can't be together because Kahlan's confessor power prevents it. Her power will be unleashed upon Richard and it won't be love anymore. Unless Richard finds a way to tap the Subtractive magic within himself, he cannot love Kahlan. How sad...

She is a confessor and if they give into their love she will lose control and his will will no longer be his own....so until they can a find a way to be togeather totally without her magic hurting him they can only be friends.

1. She is a confessor and they can't be because if she loses control she will confess him and he will want to protect her and lose sight of his goal.
2. Everybody loves the love that should be but can't.

They'll probably end up finding a way, but it's because Kahlan can't distract the Seeker, especially if he's under her command.

because if they do she will have to confess him and he will no longer have control of his own will

Well Kahlan is a confessor so if you've seen what she's done to other guys they become her slave they fall madly in love with her and she doesn't wont to confess Richard because she wants him to love her door his hart-, hart and not because he's confessed.