It shows a gamer who is focused and ready for an immersive gaming experience. The headset suggests they are serious about the game and might be communicating with other players.
For Valentine's Day, a beard in the shape of a rose or with little love hearts sprinkled throughout would be really cute. These designs can make the beard stand out and bring a romantic feel.
Another option might be a loving gaze or a soft touch on the hand. These can convey similar emotions without a kiss. Sometimes, a heartfelt smile shared between characters can also imply a deep connection without the need for a kiss.
It could be that she's dealing with a lot of stress in her life, both personal and related to her manga work. That kind of pressure can really take a toll and make her look exhausted.