In this poem too you seem to have a nice understanding of flow and this is one of the better rhyming poems I have seen recently. It has the feel of a old writer looking back on their life, digesting their experiences and putting them to paper.

The only part where I felt the flow was off was in this line:

'Enclosed in four walls, I stand by'
^^
It seems like there is a syllable too much in here, maybe you could look over it again. Other than that I thought the rhyme worked. The language was nice and simple and fits the nostalgic tone.

Well done, keep writing!