First of all, I'm not interested in knocking anyone's work, but I am willing to help those who truly want to learn. Being a newbie, I don't know where anyone stands in their knowledge of meter. From your poem it looks like you have some knowledge of structure, but like so many (and I'm no exception) you struggle with identifying the stressed and unstressed syllables in a line of verse. The first thing I recommend you do is read Timothy Steele's web page on the foot and how to write stressed verse.
Counting syllables is boring and mastery of the "foot" takes practice. Once one learns and is comfortable with iambic meter (and I recommend you start with iambic meter) it will be much easier to move on to other meters and mixed meters.
Thou there are exceptions, one of the easiest ways to recognize an unstressed syllable is by looking at word types and forms. A conjunction (and, but, or, etc). An article (a, an, the). Prepositions (of, to, on etc.). Prefixes and suffixes ( deform, washing etc} are almost, and I stress ALMOST always unstressed syllables. Another way to recognize a problem in a line of verse is to simply count the syllables. For example: the first line of this poem has nine syllables, but as I read I see you are trying to write iambic tetrameter which is strictly 4 feet, or eight syllables.
Now, one could write a line like:
A dog, a boy, a bone, a mess.
Alternating articles and common nouns might be perfect iambic tetrameter, but it's not very clever. There are also degrees of stress, usually expressed as a rating from one to four.
In the first line of this poem:
"When they say, he is almost human"
"When" is an adverb and "they" is a pronoun both of these commonly carry a stress of 3, but "say" is a verb that carries a stress of 4. So, as I start to read this poem, I see that it starts with an anapest, which is a three syllable foot of two unstressed syllables and one stressed syllable expressed as (3 / 3 / 4), but as I read on I see a variation in each line of verse and a common line length of eight syllables which is normally associated with iambic meter.
A way to express this line in iambic meter might be:
"They say he looks almost human"
Some express iambic meter as di-dum, di-dum, di-dum, di-dum, and this is the basic form of iambic meter, but in reading a poem the stress factors (1 to 4)
give a poem its variation in rhythm.
The next line has eight syllables, but again it starts with an anapest
U U S / S / U S / US
"They are not words I like to hear"
It should be US / US / US / US.
See if you can figure out how to express this line in iambic meter.