Remove segments from membrane of grapefruit and orange, slice pineapple and cut marshmallows and cherries into eighths. Soak marshmallows and coconut in combined juices. Beat egg whites until stiff and fold in sugar. Combine with fruits and coconut marshmallow mixture. Freeze in refrigerator tray until firm. For an extra taste treat add 1 tb of brandy or some people like to add half cup of seedless raisins.