You know your camera bag is too big and heavy when ...

[toverman]

... you put it in the passenger seat of your car and it sets off the "fasten seatbelt" sensor because it's as heavy as a small child. When it happens, I've got to buckle it in.

... you're photographing an event and chiropractors keep wanting to talk to you. It's not even a chiropractors' convention.

... an airline makes you buy a ticket for it.

Others?

[texkam]

You can cancel your gym membership.

[z-monster]

You can't pack a sleeping bag, food, water, and extra warm/wet protective clothes on your hike up Pikes Peak in Colorado.

[groovyone]

I've had #1 happen. I weighed mine this last trip to CO and with the addition of my new laptop it tipped teh airline scale at 35 lbs....for a backpack.

[CaptainTom]

You know your camera bag is too big and heavy when ...

Your roller bag gets a flat tire and you have to call the Auto Club....

[johnastovall]

Mistletoe collapses in the dust when you put it on the pack frame.