Two issues of boats

Issue 1:

1. A boat with 2 riders
2. The controlling rider(Rider A) exit when turning left/right
3. Rider A board again
4. Rider A's head will turn left/right automatically
5. Rider B(now controlling the boat)'s head will turn left/right automatically at rider A's view

Issue 2:

1. A boat with 1 rider
2. Rider exit the boat when turning left/right
3. Other entities on the same boat in rider's view will turn their head like issue 1-5
4. When any entity board the boat again, the boat will rotate for a little time