Earrings weren't JUST for girls! There were PLENTY of non-girly earrings! Would a girl wear that skull earring? Or that spiky one?
Still, Tsuna made Gokudera pause and blink a few times before blushing a little and looking away. Why did he feel so... so nervous? It was just Tsuna. They were friends. "Yeah?" he looked back at Tsuna and smiled a little. "Well, I've got plenty of time to decide, right? The rings are over here."