Quite a lot actually." The way you were sipping at it I thought maybe it was new to you," Hank said as he took a big gulp."I was trying to be dainty."... she said.Hank looked at her and smiled. "Not for me. Relax and drink up."She did just that. A long, cool gulp. They both laughed, and she took another. Soon her glass needed refilled, which Hank quickly did.They sat on the couch and talked. Quietly, seriously. But not about them at first. By the third drink the conversation turned to Hank's. But now things started to pick up pace… Chachi bent down to have a close look at the paragraph she was reading (actually she wanted to have a close feel of my erect cock) relaxing back I could see her boobs pleading to be let free. She pointed at something written on the page with a finger of her left hand that was besides me; the paragraph she pointed was just above the erect cock under my pants. As she started to read pointing her finger on the text, my cock started to rise against the touch. We were both breathing hard by the time he had my bra hanging open."Oh, what nice big titties you have," he whispered as he looked down at my breasts. He rolled one of the nipples between his thumb and finger. "I knew they were going to be like this." He dropped his hands to my waist as his head bent to take one in his mouth. I hung onto his arms as he licked and sucked until the tip was red and swollen. He moved to the other one as my hand pulled his head close to me. I let my own head fall. I grabbed my sister by the hand and we ran towards the water. I ran ahead to hurry up and hide my erection. I turned around just in time to see her step into a hole and scream. I was scared she’d twisted her ankle so I ran back to her. “Are you okay?” I asked concerned.” I think I sprained my ankle” she said wincing in pain. I carried her back over to mom and dad and told them what happened, mom threw me the car keys and told me to get the first aid kit out of the car and wrap her foot up. “Can.