well do one thing . Buy a book of kamasutra and try some NEW POSITIONS .

You've to ask yourself what are the stuffs that you don't do which in porn movies they show . I can bet that he's craving for those things and that is why he is watching porn. Maybe he is shy to say it to you. Just ask him . Or if you can , watch porn with him and get intimate .

the key here is TRY SOMETHIN NEW