Are you your brother's legal guardian? If not, you should discuss this with your parents, or whoever is his legal guardian, and abide by whatever their decision is.

Poser 11 Pro, Windows 10

Auxiliary Apps: Blender 2.79, Vue Complete 2016, Genetica 4 Pro, Gliftex 11 Pro, CorelDraw Suite X6, Comic Life 2, Project Dogwaffle Howler 8, Stitch Witch