I've only been into photography proper since March this year when my Dad bought me a new Nikon D90 with 18-105mm kit lens. So far the worst thing that has happened to me, occurred a couple of weeks ago when I was taking photographs of our English bull terrier puppy on the local green.
As I moved from being in a crouched position to stand up, my foot caught on a root that was sticking out of the ground. I began to stumble camera first down the steps behind me. I somehow managed to rotate my body and crashed backwards through the undergrowth at the side of the steps, before hitting a tree with my shoulder and regained my footing.
I have 3 young nephews aged 3,4 and 5 respectively and I have hundreds and hundreds of pictures of them. When I was growing up (physically - I don't think I'll ever grow up mentally lol) there wasn't a huge amount of photographs of myself and my 6 siblings, so I make a point of snapping photos of the little ones, so that they have something (hopefully half decent) to show to their children.
I too feel uncomfortable about taking photographs of them in the local park/playground if there are other children around. The look I got off of one mother when she saw me pull my camera out, was so filthy, you'd have thought I'd just crapped in her handbag. She proceeded to pick her kid up and walk off. I was kind of surprised by her actions and it really annoyed me because I almost felt like I was doing something wrong in photographing my nephews.
I just told myself that she probably had to go and cash her giro before the post office closed, get her cigarettes and booze, before settling infront of the tv to watch her relatives on the Jeremy Kyle Show.