"I'll do my best!" He grinned at him and began to clean the wound, pressing the cloth over it carefully. He is trying not to hurt him but also he knows he has to be thorough in order to make it all clean.

He doesn't want Idia to hurt any more after all!

After a moment Idia will realise his cut no longer hurts, indeed on Romeo's hands where he is holding the cloth a cut appears, sending a trickle of blood down the cloth.