hibijibi vs. lebesgue72: D10 Queen's Gambit Declined Slav Defense: Don't walk straight into pins!

Hi everyone! It's been a while since I've posted a game, or gotten the chance to play at all! The following is a queen's gambit declined game(Slav defense) where I was on the black end. White brought their dark-squared bishop out early to the g5 square. I guess this was o.k. I took dxc4 when it wasn't necessary(which brought the white queen more into the action, at the cost(for white) of moving her twice in the opening) I'm still not sure about whether this was good or bad for white. It looks like pushing the black e-pawn to e6 was the defining mistake of the game. It increased the value of white's dark-squared bishop by walking right into a pin involving it, and it also made possible some tactics by white. Here it is: