Blowjob to a straight friend

I didn't come home after a day on this lake with "blue balls". Quite the opposite: every night I slept like a baby and the image of these two naked girls popped up in my brain. Did they just care about each other? By the way I watched their interaction, when the three of us caressed, I was sure that they remained best friends, and I became their friend, for which I will be forever grateful to them. - I have...