You are solely responsible for maintaining the strict confidentiality of your User ID, if applicable, and for any charges, costs, expenses, damages, liabilities and losses we incur or may suffer as a result of your failure to do so. You, and not us, are solely responsible and liable for the activity, behavior, use and conduct on the Site under your User ID (whether used by you or any others who use your User ID), unless and until you notify us that your User ID may have been compromised, misappropriated or improperly taken or used by another party.