Answer:
Your answer would be that the sentence above is an example of a run-on sentence (RO).
Step-by-step explanation:
The sentence above is a run-on sentence. Run-on sentences are also called fused sentences. They occur when two complete sentences are joined together without using a coordinating conjunction or proper punctuation.
In this case, I would place a comma after me because those days were soon over for me functions as an introductory clause that should be set off from the main sentence (1).
1) Those days were soon over for me, I had to get used to living as a single child.