Offhand, I have a few ideas:
1. Ignore it, change the topic, try to escalate now or again later
2. "Then let's have a relationship [continue escalating]" but if you continue to escalate right after without saying more, this could be a bad look because it seems like you are only doing it to get sex
3. Tell her "we won't do anything you're not comfortable with" and keep escalating
My hunch is to do 3. However, if she continually repeats it during escalation I think you may eventually need to respond.
Mainly, I am curious about 2. So say you do start a relationship with her- how would you say it to her?
1. Ignore it, change the topic, try to escalate now or again later
2. "Then let's have a relationship [continue escalating]" but if you continue to escalate right after without saying more, this could be a bad look because it seems like you are only doing it to get sex
3. Tell her "we won't do anything you're not comfortable with" and keep escalating
My hunch is to do 3. However, if she continually repeats it during escalation I think you may eventually need to respond.
Mainly, I am curious about 2. So say you do start a relationship with her- how would you say it to her?