ok, my dad is 71 years old and gets motion sick just watching a boat on water.......let alone getting on one! He wants to take the cruise, but is TERRIFIED of being sea sick the entire time! I mean..he gets sick BAD! even some of the tamest of rides get him.....my sister and i both are DYING to take the cruise and want him to go with the family as he would be missing out on a great time! NONE of us have been able to convince him by talking to people who HAVE cruised but he doesnt "buy" that they say they NEVER knew unless they were on deck...HOW BAD IS IT???? CAN YOU EVEN TELL IF YOU ARE MOVING?? I know that there is bad weather at times at sea, and it can't be helped, but seriously want him to go with us!!!!!!!!!!!