Bro was weak. You don't give in to lolis. You ignore them. Especially when there's much better women out there. Oh well, incest babies don't live long lives anyway thanks to the heightened chance of genetic defects.
It's embarrassing for a 30-year-old man. Liz has at least another decade before her virginity would stop being a symbol of purity and start being evidence that she's undesirable.