So hating and sick of the word cute now!!!

Recently our lab research assistant (RA) has been opening up alot to us and are more approachable.. However it has reach to a extend that I cant stand the sound of the word cute anymore.. For everyday, without fail I will sure hear the word CUTE in the lab whenever RA and TLK are in the lab.The word come out from RA all the time, that to the extend that I wonder why she keep saying that.. a weird feeling and my instinct is telling me something. Some times Tlk is cute but rest of the time WC and me felt that she is unique, not cute. However the RA still call her cute when TLK did unique things.
Next, as WC has finished her honours so she is rarely in the lab and the lab only left RA, TLK and me. Last week, the lab is very quiet when 3 of us are in the lab. Firstly RA said she had sore throat, adding on no one is in mood of joke.. I also notice that RA and TLK is chatting on msn. Well can understand at the time, RA no mood to talk due to sore throat so chat online..
Ever since then, both of them chat on msn, I can hear the busy tapping of keyboard keys rhythm, it will be like hearing sound travel from left earphone to right earphone and then back to left earphone as Tlk is at my left and RA is at my right.. I sense something is wrong but I cant confirm it yet.. have to wait and see..