Alexis Ren is terrible at responding to text messages.

Alexis Ren

Alexis Ren

The 21-year-old model has recently emerged as one of the world's best-known models - but that still hasn't stopped her from feeling a little insecure.

Alexis revealed that while she's awful at responding to messages, she feels "sad" when people fail to reply to her own messages.

Alexis wrote on Twitter: "I'm so bad at texting back yet i get so sad when no one texts me (sic)"

This comes shortly after the American beauty revealed that food is the key to her heart.

In a tongue-in-cheek message, Alexis wrote: "ways to my heart: feed me, send me memes, rub my head, deal with my rants about the universe and forgive me for what i said when i was hungry (sic)"

Prior to that, Alexis said she loves being able to sit in silence with someone.

The world-famous star took to her Instagram account to reveal the things she looks for in a companion, admitting she loves meeting people who have a similar sense of humor and can "exchange an inside joke".

She wrote on the photo-sharing website: "I love when you become so close with someone that you can see parts of each other in one another and you begin to say the same things and steal lines from one another and have a similar sense of humor and can exchange an inside joke with just a glance you don't even have to talk because you have such a strong connection with them and you can sit in comfortable silence but also talk for hours it's really hard to find that kind of compatibility (sic)"

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