I need a Cougar or milfs help!!!!!

So ever since I can remember i've always lusted for older white women.I think its from middle school and always wanting to fuck my teacher(blonde cougar).My question is,how do I approach older cougars? What do I look out for to know shes into black guys? Is it somewhere to meet for this exact thing? Do I just use these type websites? PLEASE HELP BBC LOVERS!!!