1)
After saying "Harchek me'Aleha Darkecha", what does "v'Al Tikrav El Pesach Beisah" add?
1.
Malbim: Do not approach her door even when she is not there.
2.
Malbim (according to Melitzah): Distance from the ways of idolatry and heresy, and do not approach the suggestions and comparisons that through them one enters the gates of heresy. Do not say that you will use these comparisons to build a Bayis Ne'eman of Torah and purpose.