Sexbots will never catch on. AI partners on your phone will. But a robot is too expensive to produce and maintain. It'd probably cost as much as a car. That up front cost will make it virtually impossible for young men to afford and poor males to afford. The only people who can buy it are rich men and men old enough to get a bank loan for this. At best robots might become a cheap tool in whorehouses. Virtual companions designed after media characters over the internet that provide emotional support and sexual gratification from text based roleplay are the most likely outcome.
When robots finally go online, say goodbye to manual labor jobs.