Provide a logical extension to the given sentence.
I was so proud of myself
I was so proud of myself that I couldn't help but smile from ear to ear.
Complete the following task based on the instruction and optional input provided.### Instruction:
Provide a logical extension to the given sentence.

### Input:
I was so proud of myself

### Output:
I was so proud of myself that I couldn't help but smile from ear to ear.