Salam han19,

Just a comment, and I'm not a scholar, but u said
'we blow on ourselves after reading duas to ward off satan...'

The only case I know of is at night after reading the 3 suras, before bed. This is in the prophetic tradition.

But do we blow after all doa's? Or at other times? I don't think so. I haven't heard of it done before. But like I said I'm not a scholar.

The best thing, in my opinion, is to try and find it's proof from the Quran and Sunnah. There are lots of website where u can ask the shiekh questions and he answers showing with proof eg. from Bukhari / Muslim / Ahmad

I don't want to make a big deal of this, just want to enjoin the good and forbid the bad Insha-Allah.

Take care and please lets keep the discussion open.