My problem solving skill goes way back to my childhood, I'd come home from school and my mum is not at home, our apartment locked I had to think critically to crack where she could have hidden the key and sometimes...
God is the best creator, I was just climbing stairs and tried climbing the stairs with my knee straightened and it was almost impossible to do so, If there was'nt a knee joint it'll be extremely hard to climb the stairs...
God is really great.