diff --git a/index.js b/index.js
index e7cc383f..9b55ccc4 100644
--- a/index.js
+++ b/index.js
@@ -168,6 +168,7 @@ function session(options) {
   return function session(req, res, next) {
     // self-awareness
     if (req.session) {
+      debug('re-using existing session')
       next()
       return
     }
@@ -295,13 +296,13 @@ function session(options) {
 
       if (shouldDestroy(req)) {
         // destroy session
-        debug('destroying');
+        debug('destroying session')
         store.destroy(req.sessionID, function ondestroy(err) {
           if (err) {
             setImmediate(next, err);
           }
 
-          debug('destroyed');
+          debug('session destroyed')
           writeend();
         });
 
@@ -332,13 +333,13 @@ function session(options) {
         return writetop();
       } else if (storeImplementsTouch && shouldTouch(req)) {
         // store implements touch method
-        debug('touching');
+        debug('touching session')
         store.touch(req.sessionID, req.session, function ontouch(err) {
           if (err) {
             setImmediate(next, err);
           }
 
-          debug('touched');
+          debug('session touched')
           writeend();
         });
 
@@ -350,6 +351,7 @@ function session(options) {
 
     // generate the session
     function generate() {
+      debug('generating session')
       store.generate(req);
       originalId = req.sessionID;
       originalHash = hash(req.session);
@@ -389,10 +391,17 @@ function session(options) {
         _reload.call(this, rewrapmethods(this, callback))
       }
 
-      function save() {
+      function save(callback) {
         debug('saving %s', this.id);
         savedHash = hash(this);
-        _save.apply(this, arguments);
+        _save.call(this, function (err) {
+          if (err) {
+            return callback(err)
+          }
+
+          debug('session saved')
+          callback.apply(this, arguments)
+        });
       }
 
       Object.defineProperty(sess, 'reload', {