People have common sense for different things. I think I lack common sense in some things, but in other things I can be really quick and use my common sense straight away.
If somebody is using an idiom or some other form of a saying what I never heard of before, I can still use my common sense to figure if they are being literal or not. Like once when somebody asked ''were they pulling your leg?'', I hadn't really heard that phrase before, but I used my common sense by asking myself, ''I'm not going to take that literally because they obviously weren't grabbing my leg and pulling, they were teasing me instead, and so when that person asked that, it must have been another way of saying 'were they teasing you'?'' So I kind of figured that out for myself in the length of about 3-4 seconds.
Also once when my mum went shopping and told my dad that she will ring him to say she's finished so he can come and get her in the car, and the phone didn't ring for ages, and we all know it always has took my mum about 40 minutes to do all the shopping, and she always goes straight there (which is only up the road). My dad just sat back and said, ''she'll ring us when she's done, so don't worry.'' But I paced about near the phone for a bit then thought, ''it's been well over 40 minutes. Maybe her phone isn't working or something. I think we should go to the supermarket anyway to see if everything's all right.'' I had to explain that to my dad and we did go to the supermarket - and my mum was standing outside with the shopping trolley, full of shopping packed in bags, and she said exactly what I had thought, that her phone wasn't working. I had just used my common sense, but if it was up to my dad, he would of probably waited another hour, even then would have been reluctant to just turn up.
But in some ways, I can lack common sense.
_________________
Female