Natural death, old age death, the kind that took forever to kill you, left you dependant on others, and shamed you by leaving you weak and helpless.An...ther bad thought, old age. She hoped she took a bullet before she was old enough to sit in some geriatric home, boring the socks off of everyone with stories about "the good old days" when she was a cop. She didn't want to be ninety, wearing a diaper and gumming her food, waiting for the end because that was all there was left to look forward. Let's pick up our fliers and weapons and get going."They had Esther transport them and they were off on their first jaunt, purely for pleasure, in over two years. The were wearing headsets linked to their trans-coms, so they were able to converse comfortably, even when they were separated. The automatic tracking device recently added to the trans-com design made this possible.They were skimming along a rolling plain with no particular destination in mind when Susan screamed, "JIM, LOOK OUT!"The. My eyes focused on the thin material covering my sister's buttocks. Lisa wiggled impatiently, making her cheeks shake. I smiled. This was good. Lisa wiggled again, prompting me to speak."I stood behind her, not sure what to do. Should I turn her around and kiss her? Should I just slip my arms around her waist and grab her tits? I wasn't sure but I knew she knew I was right behind her and she was waiting for me to do something."I paused again and Lisa shifted restlessly. I loved it. I leaned. She kept on texting. Sent her pictures of my dick. Limp & then hard. She'd had to work to get me hard too. Blowing me for a bit, then sitting up and texting. Wanking me with one hand while looking at my phone & whatever nudie image Joan had sent back. Smirking as she replied with some instruction or request, whatever. Not letting on that it was her, not me.The texts slowed & then eventually stopped. I guess Joan had cum. And I'm sitting there naked with this huge boner & my wife's all, "Well,.