Dear Member Sahib,
All that Guru Sahib is seeking from 'Karta Purakh' is to give him a state of being (physical and mental) where the 'Dualities' disappear.
Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/sikh-sikhi-sikhism/83-sorrow-and-happiness.html
With Love and Respect for all.
Amarpal