[X Life] onItemUse

@SubscribeEvent
    public void onItemUse(PlayerInteractEvent.RightClickItem event) {
        PlayerEntity player = event.getPlayer();

        ItemStack stack = event.getItemStack();

        if (!player.level.isClientSide) {
            if (stack.getItem() == Items.WRITTEN_BOOK) {
                if (stack.getTag() != null && stack.getTag().hasUUID("owner")) {
                    ServerPlayerEntity players = player.getServer().getPlayerList().getPlayer(stack.getTag().getUUID("owner"));

                    if (players != null) {
                        players.getCapability(LifeCapability.STATS_CAPABILITY).ifPresent(life -> players.getCapability(TimeCapability.TIME_CAPABILITY).ifPresent(time -> {
                            // Creates the books pages.
                            ListNBT pages = new ListNBT();
                            // Refresh books content.
                            stack.getTag().put("pages", pages);
                            stack.getTag().remove("resolved");

                            if (life.getMaxHealth() >= 2.0F && life.getMaxHealth() <= 6.0F) {
                                pages.add(HealthBookUtils.setPages(players, 1));
                            } else if (life.getMaxHealth() >= 8.0F && life.getMaxHealth() <= 12.0F) {
                                pages.add(HealthBookUtils.setPages(players, 1));
                                pages.add(HealthBookUtils.setPages(players, 2));
                            } else if (life.getMaxHealth() >= 14.0F && life.getMaxHealth() <= 18.0F) {
                                pages.add(HealthBookUtils.setPages(players, 1));
                                pages.add(HealthBookUtils.setPages(players, 2));
                                pages.add(HealthBookUtils.setPages(players, 3));
                            } else if (life.getMaxHealth() >= 20.0F) {
                                pages.add(HealthBookUtils.setPages(players, 1));
                                pages.add(HealthBookUtils.setPages(players, 2));
                                pages.add(HealthBookUtils.setPages(players, 3));
                                pages.add(HealthBookUtils.setPages(players, 4));
                            }
                        }));
                    }
                }
            }
        }
    }