Something I've learned, is that even with posed studio portraits, you always need to be ready for that special moment between family members. This was captured before I was really ready to shoot their portrait:
Not sure with children I could have arranged this shoot!
This shot was taken in a series of images with mother and daughter. I got some nice shots of the two of them, but this was a special moment when they thought I was taking a break:
The lesson here that I have learned is to never take my eye away from the camera during portrait sessions, even for an instant. You'll never know when might miss the shot!