as others pointed out many moves ago, this white's attack at the black group doesn't work very well. in similar situations i usually think something like "come on, i am alive, why are you trying?", although that doesn't mean correct answering is always trivial.
i would at least say that wE7 (60) seems pretty questionable to me - it is overoptimistic because black group is not as weak as both players believe and such move is usually last move sealing the fate of a group, making it finally eyeless and dead, while in this position black can still escape without too much trouble
bJ4 (63) does no harm in my opinion, as black has no prospects of doing anything by the lower edge. although it also doesn't greatly improve black's position
if nothing better, black could be satisfied with this variation, for example (how to attack now?):
$$Bcm67 Diagram 1 - move 67
$$ ---------------------------------------
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X O . O . . . . . . . . . . . . . . |
$$ | . . X O . X . . X . . X . . X . . . . |
$$ | . . X O . . . . . , . . . . . , X . . |
$$ | . X . O . . . . O . . O . . . . . . . |
$$ | . X O . . . . . . . . . . . . X . . . |
$$ | . . O . . . . . . . X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . O , . . . . . , . . . . . , X . . |
$$ | . . . . X 7 . 1 . . . . . . . O X . . |
$$ | . O . X . O . X 5 O . . . . . . O . . |
$$ | . . O X O . O 2 3 . . . . . O . O . . |
$$ | . . X X . . . 6 4 . . . . . . X X . . |
$$ | . . . . X X X X . . O . . . . . . . . |
$$ | . . O O O O X O X , . . . . . X . . . |
$$ | . . . . . X O O . . O . . O . . X . . |
$$ | . . . . . . O . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Bcm67 Diagram 1 - move 67
$$ ---------------------------------------
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X O . O . . . . . . . . . . . . . . |
$$ | . . X O . X . . X . . X . . X . . . . |
$$ | . . X O . . . . . , . . . . . , X . . |
$$ | . X . O . . . . O . . O . . . . . . . |
$$ | . X O . . . . . . . . . . . . X . . . |
$$ | . . O . . . . . . . X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . O , . . . . . , . . . . . , X . . |
$$ | . . . . X 7 . 1 . . . . . . . O X . . |
$$ | . O . X . O . X 5 O . . . . . . O . . |
$$ | . . O X O . O 2 3 . . . . . O . O . . |
$$ | . . X X . . . 6 4 . . . . . . X X . . |
$$ | . . . . X X X X . . O . . . . . . . . |
$$ | . . O O O O X O X , . . . . . X . . . |
$$ | . . . . . X O O . . O . . O . . X . . |
$$ | . . . . . . O . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
and even with the situation as it stands now (not sure it is best possible):
$$Bcm71 Diagram 2 - move 71
$$ ---------------------------------------
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X O . O . . . . . . . . . . . . . . |
$$ | . . X O . X . . X . . X . . X . . . . |
$$ | . . X O . . . . . , . . . . . , X . . |
$$ | . X . O . . . . O . . O . . . . . . . |
$$ | . X O . . . . . . . . . . . . X . . . |
$$ | . . O . . . . . . . X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 6 . . a . . . . . . X . . X . . . |
$$ | . . O 5 . . . b . W . . . . . , X . . |
$$ | . 2 1 . X X . . . . . . . . . O X . . |
$$ | . O 3 X . O . X . O . . . . . . O . . |
$$ | . 4 O X O . O O . . . . . . O . O . . |
$$ | . . X X . . . . . . . . . . . X X . . |
$$ | . . . . X X X X . . O . . . . . . . . |
$$ | . . O O O O X O X , . . . . . X . . . |
$$ | . . . . . X O O . . O . . O . . X . . |
$$ | . . . . . . O . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Bcm71 Diagram 2 - move 71
$$ ---------------------------------------
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X O . O . . . . . . . . . . . . . . |
$$ | . . X O . X . . X . . X . . X . . . . |
$$ | . . X O . . . . . , . . . . . , X . . |
$$ | . X . O . . . . O . . O . . . . . . . |
$$ | . X O . . . . . . . . . . . . X . . . |
$$ | . . O . . . . . . . X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 6 . . a . . . . . . X . . X . . . |
$$ | . . O 5 . . . b . W . . . . . , X . . |
$$ | . 2 1 . X X . . . . . . . . . O X . . |
$$ | . O 3 X . O . X . O . . . . . . O . . |
$$ | . 4 O X O . O O . . . . . . O . O . . |
$$ | . . X X . . . . . . . . . . . X X . . |
$$ | . . . . X X X X . . O . . . . . . . . |
$$ | . . O O O O X O X , . . . . . X . . . |
$$ | . . . . . X O O . . O . . O . . X . . |
$$ | . . . . . . O . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
ah, i would forget -
DIV: don't worry too much about having few reasons for your moves. to some degree, it appears to me that in Malkovich games the weakest players have most reasoning behind their moves, while stronger ones are able to play by feeling (this certainly doesn't mean you shouldn't think about the game and shouldn't write long comments, it's just a random observation)