When I play deathmatch I feel like my aim is decent/ok, I hit my headshots, crosshair placements is good but whenever I go into ranked I suddenly forget everything, I miss easy shots, any tip for this? has this happened to anyone else? I k...

My boyfriend and I just started playing the game and some teammates told us the enemies can hear us zipping fast during preround fracture. but I say the opposite.. he doesn't believe me and gets paranoid when I quickly zip across in the beg...