diff --git a/bleeding.js b/bleeding.js
index 359a94f..01fc4ce 100644
--- a/bleeding.js
+++ b/bleeding.js
@@ -15,22 +15,21 @@ import getCycleDay from './get-cycle-day'
 export default class Bleeding extends Component {
   constructor(props) {
     super(props)
-    const cycleDay = props.navigation.state.params.cycleDay
-    let bleedingValue = cycleDay.bleeding && cycleDay.bleeding.value
+    this.cycleDay = props.navigation.state.params.cycleDay
+    let bleedingValue = this.cycleDay.bleeding && this.cycleDay.bleeding.value
     if (! (typeof bleedingValue === 'number') ){
       bleedingValue = -1
     }
     this.state = {
-      cycleDay,
       currentValue: bleedingValue,
-      exclude: cycleDay.bleeding ? cycleDay.bleeding.exclude : false
+      exclude: this.cycleDay.bleeding ? this.cycleDay.bleeding.exclude : false
     }
   }
 
   // TODO display cycle day
   render() {
     const navigate = this.props.navigation.navigate
-    const day = this.state.cycleDay
+    const day = this.cycleDay
     const bleedingRadioProps = [
       {label: labels[0], value: 0 },
       {label: labels[1], value: 1 },
@@ -48,13 +47,13 @@ export default class Bleeding extends Component {
           formHorizontal={true}
           labelHorizontal={false}
           onPress={(itemValue) => {
-            this.setState({ currentValue: itemValue })
+            this.setState({currentValue: itemValue})
           }}
         />
         <Text>Exclude</Text>
         <Switch
           onValueChange={(val) => {
-            this.setState({ exclude: val })
+            this.setState({exclude: val})
           }}
           value={this.state.exclude} />
         <Button
diff --git a/temperature.js b/temperature.js
index 03491e6..cbeed31 100644
--- a/temperature.js
+++ b/temperature.js
@@ -15,26 +15,25 @@ import getCycleDay from './get-cycle-day'
 export default class Temp extends Component {
   constructor(props) {
     super(props)
-    const cycleDay = props.navigation.state.params.cycleDay
+    this.cycleDay = props.navigation.state.params.cycleDay
     let initialValue
 
-    if(cycleDay.temperature) {
-      initialValue = cycleDay.temperature.value.toString()
+    if(this.cycleDay.temperature) {
+      initialValue = this.cycleDay.temperature.value.toString()
     } else {
-      const prevTemp = getPreviousTemperature(cycleDay)
+      const prevTemp = getPreviousTemperature(this.cycleDay)
       initialValue = prevTemp ? prevTemp.toString() : ''
     }
 
     this.state = {
-      cycleDay,
       currentValue: initialValue,
-      exclude: cycleDay.temperature ? cycleDay.temperature.exclude : false
+      exclude: this.cycleDay.temperature ? this.cycleDay.temperature.exclude : false
     }
   }
 
   render() {
     const navigate = this.props.navigation.navigate
-    const cycleDay = this.state.cycleDay
+    const cycleDay = this.cycleDay
     return (
       <View style={styles.container}>
         <Text style={styles.welcome}>{formatDateForViewHeader(cycleDay.date)}</Text>