Where does Self Employment go o W4?

Two Questions: I am self-employed through Younique

 

1.  I think I need to put self-employment on the Form W-4, but when I read the instructions, it states "Self-employment...If you want to pay income and self-employment
taxes through withholding from your wages, you should enter the self-employment income on Step 4(a)." Then I look at Step 4(a), and it says "You shouldn’t include income from any jobs or self-employment." I'm confused as to what I should do. 

 

2. I'm confused as to what I should select on Step 2. Would I select Multiple Jobs or "If there are only two jobs total..."?