He blinks when she hands him the box, ignoring the part of him that was sad she'd moved away even that little bit. Trunks hadn't considered that he'd ever be the possessive type, and he still didn't think he was--but he did like holding her. "Shouldn't you open it then, or am I going to know what's mine?"

No blushing. OR at least, aside from a faint hint of pink, no more blushing. Reaching into his pocket, he pulled out he capsule and handed it to her. "You press the button on top, then toss it gently into some free-space."