Found the following hamletworks.org entries referring to line 3665

View Commentary Note for 3664, etc.
3664-5 Ham. It is but foolery, but it is such a kinde of | {gamgiuing,} <gain-giuing> as 
3665 would perhapes trouble a woman. 3665 

View Immaterial Textual Note for 3664, etc.
3664-5 Ham. It is but foolery, but it is such a kinde of | {gamgiuing,} <gain-giuing> as 
3665 would perhapes trouble a woman. 3665 

View Material Textual Note for 3664, etc.
3664-5 Ham. It is but foolery, but it is such a kinde of | {gamgiuing,} <gain-giuing> as 
3665 would perhapes trouble a woman. 3665