1. Past simple and present perfect: The answer uses the past simple ("used to have," "taught me," "had pets," "played") to describe past experiences, and present perfect ("has always loved") to show a continuing situation from the past to the present.
2. Infinitive and gerund structures: "to care for another living being" uses an infinitive to explain what was learned, and "having a pet" uses a gerund as the subject of the sentence.
3. Complex sentences: The answer uses "so" to connect clauses and "and" to link multiple ideas, making the response more fluent and detailed.