"Remember" Jason Segal (Nick)?  He's a smart man; he wrote this 2008 comedy with himself as its star & set it in Hawaii
[DOC] [TLE] Forgetting Sarah Marshall - Wikipedia [PAR] Forgetting Sarah Marshall is a 2008 American romantic comedy-drama film 
directed by Nicholas Stoller and starring Jason Segel, Kristen Bell, Mila Kunis 
and Russell Brand.