Is it bad if me and my bf dont act like bf and gf around people?

ok so when me and my bf are around other people we are all just friends but everyone knows we are sooooo in love and when they talk about it we are like what okkk wat ever dude and go back to talking but when we are on the phone we flirt and when we tex we are like super flirty we are all like hey baby hey y and other stuff and we are like i love you i miss you i cant wait to see you but is it bad if we dont act like that around our friends