Having this option blocked doesn't block you from actually having sex with Lena though, unless in very speficic setup where your Ian is just viewing Lena as a fucktoy. But then it can be argued such character would have his Lust high enough to take the second option.But even in this chapter, dating Lena, my Ian is blocked off from the lust option of having sex with her when she gets to the summer house.
Python:
menu:
"{image=icon_love.webp}I missed you" if ian_lena_love:
//...
"Wanting to believe in Lena's words, I pushed away my worries for the moment in order to give Lena a warm welcome."
"{image=icon_lust.webp}I still have energy left" if ian_lust > 6:
//...
"I tried pushing away my worries for the moment in order to give Lena a warm welcome."
"Let's join the others":