My cousin sister

Im 27, my cousin sister is 40, 5ft5 petite with the most sexiest feet, she lives at home with her parents due to her being a divorcee. I love visiting as just looking at her body and feet makes me hard right in front of her. I always perve on her and then pretend to be tired, so i go upstairs and lie on the bed, slowly stroke my dick making it hard waiting for her to come up the stairs, hoping she will come in and suck me off, but that never happens. Last time i visited, i went to the room and started stroking my dick in my boxers, i heard her run up the stairs and go to her room, i carried ok stroking, my heart beating faster as i heard her walk out of her room, she was walking towards me, my dick throbbing as she gets closer, i carry on stroking as she pokes her head around the door, i carry on pretending i dont know shes there, then she walks off, i jump up and pull my bottoms up thinking shes walking away but as i leave the room i see she was coming back to me. I asked her did u see anything and she said no. Next week am going again, will update what happens, maybe a sneaky pic or 2 aswell