reflection on the assigned reading

Paper instructions:
write a reflection on chapter.3 Age and acquisition. This chapter is from Principles of Language Learning and Teaching by Brown.
The purpose of this requirement is to promote critical reading and class discussion. For each assigned reading, write a reflection on one or two of the theories or the research introduced in the reading. In the reflection, explain how the theory/research relates to your own experience in learning or teaching languages or other subjects. The reflection should be approximately one paragraph (no more than 0.5 single-spaced pages of writing in Times, Size 12 font). The reflection needs to demonstrate your understanding of the assigned reading. Do not write a summary of the reading.