diff --git a/matchers/be_true.go b/matchers/be_true.go
new file mode 100644
index 0000000..6378af8
--- /dev/null
+++ b/matchers/be_true.go
@@ -0,0 +1,21 @@
+package matchers
+
+import "fmt"
+
+type BeTrueMatcher struct{}
+
+func BeTrue() BeTrueMatcher {
+	return BeTrueMatcher{}
+}
+
+func (m BeTrueMatcher) Match(actual interface{}) (interface{}, error) {
+	f, ok := actual.(bool)
+	if !ok {
+		return nil, fmt.Errorf("'%v' (%[1]T) is not a bool", actual)
+	}
+
+	if !f {
+		return nil, fmt.Errorf("%t is not true", actual)
+	}
+	return actual, nil
+}
diff --git a/matchers/be_true_test.go b/matchers/be_true_test.go
new file mode 100644
index 0000000..ada5049
--- /dev/null
+++ b/matchers/be_true_test.go
@@ -0,0 +1,39 @@
+package matchers_test
+
+import (
+	"testing"
+
+	"github.com/apoydence/onpar/matchers"
+)
+
+func TestTruthiness(t *testing.T) {
+	t.Parallel()
+
+	m := matchers.BeTrue()
+
+	_, err := m.Match(42)
+	if err == nil {
+		t.Error("expected err to not be nil")
+	}
+
+	v, err := m.Match(true)
+	if err != nil {
+		t.Error("expected err to be nil")
+	}
+	if v != true {
+		t.Errorf("expected %v to be true", v)
+	}
+
+	_, err = m.Match(false)
+	if err == nil {
+		t.Error("expected err to not be nil")
+	}
+
+	v, err = m.Match(2 == 2)
+	if err != nil {
+		t.Error("expected err to be nil")
+	}
+	if v != true {
+		t.Errorf("expected %v to be true", v)
+	}
+}