Kamasutra 6.1.16

6.1.16

kṣayī rogī kṛmiśakṛd vāyasāsyaḥ priyakalatraḥ paruṣavāk kadaryo nirghṛṇo gurujanaparityaktaḥ steno dambhaśīlo mūlakarmaṇi prasakto mānāpamānayor anapekṣī dveṣyair apy arthahāryo vilajja ity agamyāḥ//

The following kinds of men are not fit to be resorted to by courtezans, viz.:

One who is consumptive; one who is sickly; one whose mouth contains worms; one whose breath smells like human excrement; one whose wife is dear to him; one who speaks harshly; one who is always suspicious; one who is avaricious; one who is pitiless; one who is a thief; one who is self-conceited; one who has a liking for sorcery; one who does not care for respect or disrespect; one who can be gained over even by his enemies by means of money; and, lastly, one who is extremely bashful.