I've been going to the gym for a few years now. When I go, I try and exercise my hardest. So I do sweat and also go really red in the face while I'm, say, running on the treadmill. If I really push myself I do sometimes have to have a rest after the end of my 10k, sitting on the end of the treadmill (once it's stopped of course) or on a chair at side of gym.
This has maybe happened 5-6 times in 2 years but every time it does someone rushes over to me as they 'thought I was going to collapse' and one time even sent over one of the gym staff.
I appreciate some people don't seem to sweat or look out of breath when exercising but I'm not one of those. I've been doing this a while and an getting fitter but of course as I get fitter, I up the stakes (once I could run a certain distance at X speed, I then tried to it 30 secs faster each time etc), so I'm still working just as hard AIBU to push myself like this?