How to spice up talking to a girl?

Okay this will sound different for everyone but I've been talking to this girl for the last 2ish months - We haven't officially met due to personal reasons but we have talked a lot about sex, Life, Career, Travelling etc and she has asked me to send her pictures of myself in boxers etc of which she likes...

My point is... Is there anything I can do to... Spice it up a bit more for her?

How to spice up talking to a girl?
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