oxygen usage

[Osha]

I had an assessment with an oxygen lady today. she has told me I should only use the ambulatory oxygen when I go out. I use the concentrater over night at 2. I asked her what I should use during the day when I’m home. According to her I should only use the blue inhaler when I get out of breath and no oxygen !!! Does anyone else do this. I’d appreciate you telling me how to cope I have broncheactesis and copd and feeling quite depressed today. The ambulatory oxygen helps me to do things around the house

M