Hi, thanks for the right feedback, I trully appreciate this as I know the feedback is the most important part of the game design. I agree with you, I could feel frustrating the slow motion of the character. Maybe speeding it up and getting a better grap could help a bit, or perhaps thinking in another mechanic for player two...
I'll work on the collision detection solution as well as for the walls and borders and between and for the grip between characters.
Thanks again, my friend!