No, he is not a sympathetic character for me. I really struggle to find any pity or caring for Holden at all.

He is not much of a sympathetic character for me: I feel only a little bit of pity and caring for Holden.

He is a slightly sympathetic character: I feel some pity and caring for Holden.

Yes, he is an extremely sympathetic character: I feel a lot of pity and caring for Holden.

The use of profanity does not add authenticity to Holden's voice.

The use of profanity adds just a little bit of authenticy to Holden's voice.

The use of profanity adds some authenticity to Holden's voice.

Yes, the use of profanity adds great authenticity to Holden's voice.