Congrats on the goliath ive have had mine for 3 yrs now and love it.
As for cocking i wont get into detail but i have a barnett quad 300/400. and when sitting i place the butt end of my xbow in the center of my rib cage and pull on the string with my fingers untill loaded and i must say youve got to be strong and DONTdo it if you cant do it. Good luck....joey