Yeah the paper mentions that he’s fed through a feeding tube. I assume there’s little taste involved, but that the association with the things still makes him feel a little better (emphasis added):
The patient also participated in social interactions and asked for entertainment (‘come tonight [to continue with the speller]’, day 203, 247, 251, 294, 295, ‘wili ch tool balbum mal laut hoerenzn’ – ‘I would like to listen to the album by Tool [a band] loud’, day 245, ‘und jetwzt ein bier’ – ‘and now a beer’, day 247 (fluids have to be inserted through the gastro-tube), 251, 253, 461. …The patient expressed his desire to have different kind of food in his tube as, ‘mixer fuer suppen mit fleisch’ – ‘instructed his wife to buy a mixer for soup with meat’ on day 247’;