Complex sentence: However, Game and 50 Cent later had a falling out, and 50 Cent became unsure about signing new artists to his "family"--how he perceived G-Unit as a group and record label.
Split into simpler sentences: However, Game and 50 Cent later had a falling out. As a result of Game's falling out with G-Unit, 50 Cent became unsure whether or not to sign any new artists to his "family," how he perceived G-Unit as a group and record label.