Message 1:
-POINT  OF ADVICE-
while    key-less,
hold    up   while
pressing  jump  to
swim   up  faster,
hold   down  while
pressing  jump for
more precision    

Message 2:
-POINT  OF ADVICE-
you   move  faster
horizontally   but
have          less
horizontal control
when   holding   a
key.   also   dont
lose your key