What are some ways to build sexual tension between dates with someone who isn't a texter?

Trying to build sexual tension with someone I've been on a couple of dates with and things are becoming more flirty in person, but she is very much not a texter.

How can I add some flirty content to our brief conversations to get her a little worked up between dates?

(For context, we typically text the day before a date to confirm everything and a little after the date to talk about the next one. She has told me a couple times that she's not a big texter and prefers to be face to face, which I have no reason not to believe given her actions so far.)
What are some ways to build sexual tension between dates with someone who isn't a texter?
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