I'm the two offers sex tags! I'm good with the first one being rephrased to
- A Offers Their Friend B Sex To Prevent B Leaving; B Is Shocked And Refuses
The second one I was thinking more of
- A Offers Sex Thinking B Requires It To Stick Around; B Doesn't
but then somehow including the implication that it was never going to be romantic/sexual in the first place it's more of a desperate last measure, so it's coming out of the blind side for B. Not sure how to add this vibe without putting (No Romantic/Sexual Undertones) behind it XD