I I was was upset that my brother was so (myopathic unsympathetic.) cherub my brotten arm; it wasn't my felt I fell out of the tree

I’m not sure I understand the question but this is how you’d correct write that:

I was upset that my brother was so unsympathetic towards my broken arm; it wasn’t my fault I fell out of the tree.

The first one is sec.-b,,third- that