One verse

Srimad Bhagavatam 7.15.18

7.15.18

सन्तुष्ट: केन वा राजन्न वर्तेतापि वारिणा । औपस्थ्यजैह्व्यकार्पण्याद्गृहपालायते जन: ॥ १८ ॥

santustah kena va rajan na vartetapi varina aupasthya-jaihvya-karpanyad grha-palayate janah

santustah
a person who is always self-satisfied
kena
why
va
or
rajan
O King
na
not
varteta
should live (happily)
api
even
varina
by drinking water
aupasthya
due to the genitals
jaihvya
and the tongue
karpanyat
because of a wretched or miserly condition
grha-palayate
he becomes exactly like a household dog
janah
such a person.

My dear King, a self-satisfied person can be happy even with only drinking water. However, one who is driven by the senses, especially by the tongue and genitals, must accept the position of a household dog to satisfy his senses.