person A: So the other day was my 23rd Birthday! I had no idea what my friends had planned but i walked into a room_comma_ a room which i thought was empty as the lights were all off_comma_ and all my friends jumped out and yelled happy birthday! It was such a shock_comma_ and felt so nice to have people who cared deeply about me provide me with such an experience! 
person B: Must of been pretty surprised_comma_ Also great to have friends like that.
person A: It really was! They even had my favorite kind of cake_comma_ chocolate mousse from my favorite bakery! 
person B: That must of just made everything even better!
person A: Right?! I mean who doesn't love cake. But that's not even the best part. on the counter_comma_ there was a HUGE pile of presents calling my name. 