Why doesnt interphase go back into meiosis 2?

Interphase does not occur between meiOSis I and meiOSis II because the cell does not undergo DNA replication again after the first meiotic division. During interphase, the cell prepares for division by duplicating its DNA, but after meiOSis I, the chromosomes are already replicated and consist of sister chromatids. As a result, meiOSis II proceeds directly from meiOSis I without an intervening interphase, focusing on separating the sister chromatids into four haploid cells.