Are all Justin bieber songs about girls?

Not all Justin Bieber songs are about girls. While many of his early songs were about love, relationships, and heartbreak, he has since expanded his musical range to include a variety of topics. Some of his more recent songs, such as "Ghost" and "Lonely," explore themes of loneliness, depression, and anxiety. He has also released songs about social justice and equality, such as "Hold On" and "Yummy."