Found the following hamletworks.org entries referring to line 1343-4

View Commentary Note for 1342-3
1342-3 ther, I haue of late, but wherefore | I knowe not, lost all my mirth, 

View Material Textual Note for 1342-3
1342-3 ther, I haue of late, but wherefore | I knowe not, lost all my mirth, 

View Commentary Note for 1343-4
1343-4 forgon all custome of ex|ercises: and indeede it goes so {heauily} <heauenly> with 

View Material Textual Note for 1343-4
1343-4 forgon all custome of ex|ercises: and indeede it goes so {heauily} <heauenly> with