Vacation with mom

My name is John and i live at home with my mom and dad. I'm 18 and i finished high school and for my graduation present my mom is taking me on vacation to a resort. My dad net my stepmom after my real mom died because my real mom had breast cancer and the cancer spread and my real mom wat terminal. My stepmom is 42 and shes really attractive shes got small tits and a really nice ass I try not to stare at my stepmom but sometimes I cant help but to take long looks because I love women with small tits.