It will go away. I have an Oktoberfest (WLP029) that has been in primary for 11 days, had a really strong sulfur smell for the first 3 or 4 days of active fermentation but has completely faded since. Im a new brewer and kind of freaked out about it at first but decided to just let the yeast do...
This really is hard to stick to!! My first batch was a belgian dubbel similar to yours and yesterday was the 2 week mark in the bottles. I wanted to try one just to see the change over the months. I noticed that it has a sharp flavor to it that I cant really put my finger on i think similar to...
