Flirting

How do I slowly amp up the sexual tension with coworker?

I’ve been working with this guy for about a year. We are both nurses at an Assisted Living Facility. The last 6 months we have both been very cautiously flirting with one another. He stays an hour late to talk to me and we are both clearly interested. I want to amp things up because I’ve become bored with him. I only want sex. No interest at all in a relationship. How can I increase the sexual tension between us? What are conversation topics I can use that might lead to the conversation of sex.
Updates
+1 y
I’m 24yo female he’s a 29yo male. He knows I’m in a relationship (he doesn’t know how complicated it is) He is treading light bt I can see his dick is hard for me. I came back from a vaca toda andhe stayed an hour late talking. I could tell he was nervous the whole time his deep voice kept cracking. Maybe he was turned on I wore a perfume he complimented in the past. He came back to our office 3 times after ‘he was leaving’ .
Updates
+1 y
He left 5 hours ago and my pussy is still soaked and I’m craving him
How do I slowly amp up the sexual tension with coworker?
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