Affiliate Marketing Secrets

i have just designed my first website for a family friend and intend on making more for my own enjoyment/profit. i have some in the pipeline which are simply informative websites for certain mainstream niches etc but also want to start an erotic shop. i am worried google wont let me use google ads on my ‘family friendly’ sites if i also run erotic sites.. is this true? i wouldnt want to ruin my relationship with google before its even started!