Everything is not well between Kim Kardashian and Rob Kardashian.

Rob Kardashian is going through some personal issues, but it doesn't look like his sister is sympathetic towards him.

The sock designer, 27, has plunged into a depression after putting on the extra pounds, but the 33-year-old beauty doesn't feel sorry for him and thinks he needs to stop moping and do something to improve the situation, reported Hollywood Life.

Speaking in last night's episode of Keeping Up With the Kardashians, Kim was talking to her sister Khloé about Rob after he failed to attend a family vacation in Thailand.

She said, "We've all been here to offer him help and he won't take it, so I don't have sympathy."

Kim then turned to the camera and explained: "I think I'm just more of the tough love kind of person. My personality is like, 'All right, you complain, you don't like it, get up and do something about it.'"

However, Khloé insists Rob's weight gain isn't the only thing that has triggered off his depression.

Khloe took her brother's side and said that he was also struggling to deal with the brunette beauty's split from estranged husband Lamar Odom last year.

She said: "Rob has deeper issues than just weight."

Meanwhile, Kim and Rob reportedly haven't spoken to each other since he refused to attend her wedding to Kanye West in May after she mocked his recent weight gain.

A source said previously: "Kim and Rob haven't been speaking to each other for months -- she thinks he is lazy and bringing down the family name because of his physical appearance."