jangan biasakan mereka main hp.. hp sangat2 merosakkan anak2.. sembunyikan hp nya.. ingatkan tentang Tuhan, solat... cari hiburan utk mrk yang lebih mendidik... maaf hanya masukan dari apa yg saya belajar dan sudah terbukti sangat2 ampuh..
I think it depends on how old he is. Of course I would be shocked... but I wouldn't confront him directly about it. Most importantly is that he knows his limits.
Depends on his age... I feel it is very normal. Everyone will at least watch once at some point of time.