This is my 3rd. I felt all of mine around the 13 week mark. My MIL made fun of me with my first, saying there was no way I could feel it... but, when my Dr got out the doppler and I'd feel swishing and HEAR it, and the Dr told me that was my baby, I felt vindicated. 
I'm 19 weeks along tomorrow, and hubby can totally feel Baby kicking on the outside. It's so cool! He was saying, "Hellooooo, Babyyyy, it's your daddyyyyyy." While resting his head on my belly, and the baby kicked him repeatedly in the cheek!
The look on his face was priceless when he said, "It kicked me! Right here.... this is where it kicked from." Yup, I know, it's in my body, haha.
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