A lot of the talk surrounding the Goo Goo Dolls as the band tours behind its latest album centers on how life is better in the band than it was when the group last went through the album-making process.Some of the good vibes surrounding “Magnetic” reflect recent events in the lives of the Goo Goo Dolls’ two founding members.Singer/guitarist John Rzeznik got married to his longtime girlfriend, Melina Gallo, while bassist Robby Takac became a father.But Takac said things have also taken a turn for the better with issues relating directly to the band.The root of the problem — although it’s a “pro