Final answer:
A run-on sentence is a sentence that combines two or more complete sentences without any punctuation or conjunctions to separate them. In the given sentence, 'Felix and I bonded over our love sports and mystery novels' is a run-on sentence. To fix this, you can add a comma and a coordinating conjunction or separate the sentences into two separate sentences.
Step-by-step explanation:
A run-on sentence is a sentence that combines two or more complete sentences without any punctuation or conjunctions to separate them. In the given sentence, 'Felix and I bonded over our love sports and mystery novels' is a run-on sentence because it combines two complete sentences without any punctuation or conjunctions.
To fix this run-on sentence, you can add a comma and a coordinating conjunction like 'and', or you can separate the sentences into two separate sentences. For example, you can say 'Felix and I bonded over our love of sports. We also enjoyed reading mystery novels.'