GM in a bathtub

Something unbelievable happened to me yesterday.

As some here maybe know, I've got a 11yo niece P. in our house, as well as her brother. Yesterday in the evening, I suggested to bath my daughter, instead of showering her. My wife asked P if she doesn't want to bath with my daughter. She said, "Yes, of course", which made me to stop breathing for a while, as it's always me who bath my daughter.

"But you won't watch" she said to her brother. "And you too", she said to me (with a smile). "Oh, won't I ?" I replied with a smile as well.

After a short while, when I prepared the bathtub I brought my daughter there and P. went there too. I cleaned her teeth, undressed her and put her in the bathtub (taking my time). P. still there talking with us. Then I turned away to clean my teeth, expecting P. to send me away. SHE DIDN'T ! To my amazement she undressed herself and entered the bathtub (I saw it all in the mirror). I immediately got a rock-hard erection. THANK GOD I was turned with my back to them. I was pretty excited by the sole thought, there is a completly naked girl-beauty with me in the same room, adn I'm going to see her from a nice close-up. Lol, I was cleaning my teeth for nearly 8 minutes, after I finally managed to calm myself enough to turn (I was in a pyjama already so even the slightest arousal would be clearly visible).
I crouched by the bathtub (I COULDN'T stand ;-)) and play a little with my daughter. I was VERY cautious to not to stare (and I honestly think I managed that), as she would feel uncomfortable (and I bad and guilty - rightfully) and it would prevent me from any other nice bathings :).
But still I saw everything that could be seen (rather closely) :)))) While she is 11, she is rather small, and has no sings of pubescent "body developing" at all. While I never thought something like that can arouse me, it did. A LOT. Her body is really beautiful.

After some time I begun to bath my daughter, concentrating solely to her and not even trying to get a glimpse of P. nice body. I managed to calm and take my daughter out of the bathtub. Because I had to stand, I didn't look at P. after that.

This summer is really great. I even see Lucy daily, being able to play with her and enjoy her sweet presence. For a VERY long time I haven't been in such a good mood. I enjoy every single second of it. :)))