diff --git a/FabianUtil.java b/FabianUtil.java
index d6d827e..c299ab8 100644
--- a/FabianUtil.java
+++ b/FabianUtil.java
@@ -1,3 +1,5 @@
+package de.vorsorge.theo.util;
+
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
@@ -65,7 +67,7 @@ public class FabianUtil {
       }
 
 
-      protected BigDecimal getCounter() {
+      protected synchronized BigDecimal getCounter() {
          return counter;
       }
 
@@ -76,7 +78,7 @@ public class FabianUtil {
       }
 
 
-      protected void tick() {
+      protected synchronized void tick() {
          counter = counter.add(BigDecimal.ONE);
       }
 
@@ -87,14 +89,14 @@ public class FabianUtil {
       }
 
 
-      public void logIf() {
+      public synchronized void logIf() {
          if (counter.remainder(logDistance).signum() == 0 || isBored()) {
             log();
          }
       }
 
 
-      private boolean isBored() {
+      private synchronized boolean isBored() {
          ZonedDateTime time = lastLoggedAt == null ? startTime : lastLoggedAt;
          return time.until(ZonedDateTime.now(), ChronoUnit.SECONDS) >= timeLogDistance;
       }
@@ -107,12 +109,12 @@ public class FabianUtil {
       }
 
 
-      protected void updateLastLoggedAt() {
+      protected synchronized void updateLastLoggedAt() {
          lastLoggedAt = ZonedDateTime.now();
       }
 
 
-      protected Duration getTimePassed() {
+      protected synchronized Duration getTimePassed() {
          return Duration.ofSeconds(startTime.until(ZonedDateTime.now(), ChronoUnit.SECONDS));
       }
 
@@ -127,7 +129,7 @@ public class FabianUtil {
       }
 
 
-      public void logFinal() {
+      public synchronized void logFinal() {
          Duration timePassed = getTimePassed();
          System.out.println(counter + " Stück (100 %) erledigt. " + formatDuration(timePassed) + " vergangen.");
       }
@@ -178,6 +180,11 @@ public class FabianUtil {
              + formatDuration(timePassed) + " vergangen" + remainingTimePart + ".");
          updateLastLoggedAt();
       }
+
+
+      public void logContinuouslyTimeBased() {
+         new Thread(this::logIf).start();
+      }
    }