Buick Regal Brake Weak

I Have A 1999 Buick Regal With 100k Miles. My Problem Is That I Go To Work And My Brakes Are Fine. I Come Back Home And I Need To Push...

My Buick Regal Brake Lights Don't Work. My Tail Lights And My Turn Singnals Work. I Changed The Bulb And The Fuses. What Do I Look @ Know?

My Question Is That My Every Time My Brake Pedal My Brake Ligths Wont Turn On.ichecke Very Thing My Fuse Box But...