1, the level is not right: the first word "window" and "person" in the upper and lower couplets are all flat. Moreover, the all-in-one couplet is flat and even (according to the new rhyme): flat and even, which does not meet the requirements of couplets.
2. The meanings of the words "window guest", "guest color" and "heart" are unknown. Especially "knot", the author may want to express "knot", but "estrangement" can mean alienation, which is opposite to "same".