OP doesn't mean any harm, he's just nervous because he doesn't want to freak her out.
I disagree. Read the OP again. He says she can't stand being tickled. So, he's basically trying to figure out a way to trick her into being subjected to something
that she hates for his own gratification.
I submit that if he really gave two shits about his friend's feelings he wouldn't even be contemplating this. There's also the issue of the fact that by tricking her, he's removing her ability to consent... because she doesn't know what he's up to - and this is key - probably would refuse his overtures if he was direct about them.
Seriously. Think about it. "Hmm, my friend really hates something but I really want to do it to her... I know! Rather than just find someone willing, I'll trick her!". Yep. Great friend, that is.
No, sparky, reread my post. I said
I was the asshole, because whenever I mention stuff like this a bunch of trolls come out of the woodwork and start screaming "Morality Police!"
Seriously, sometimes I wonder if I'm the only person on these forums who actually
asks his female friends for play sessions. I usually get them, too. Being honest works, guys. Try it sometime.
Edited to add: I should have read fightinggirl's post before wasting my breath on a followup, since all I could have done was say "I agree."