The keys are always in the other pocket

I was wandering if anyone else noticed it.

Whenever I approach a locked door (of my car or my apartment) and I am holding something that disables one of my hands, be that my sleeping daughter or just grocery products, In about 75% of the times the keys are in my other pocket :(

I guess this is some private case of murphy's law.

I wander if there are other paralelisms to this.