J.Y. Park vented about the age gap between him and JYPE's youngest groups. 

On the most recent airing of 'Unnie's Slamdunk', J.Y Park visited the unnies to help Min Hyo Rin achieve her dreams of becoming a girl group member. Then, during the discussion about music, J.Y. Park revealed why he doesn't compose for GOT7 and TWICE.

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J.Y. Park said, "I don't make songs for GOT7 and TWICE. I wrote songs for g.o.d because I know them well, but with the other friends [GOT7 and TWICE], we are not in relationships where we can talk about life." 

He continued, "To be honest, I miss the g.o.d days. The first song I wrote was g.o.d's "Dear Mother". When I heard Park Joon Hyung's story it broke my heart. If I get to create another girl group then I will want to find out more about what's on their mind."