"It's impossible"
  All things are possible (Luke 18:27)

 "I'm too tired"
 I will give you rest (Matthew 11:28-30)

 "Nobody really loves me"
 I love you (John 3:16 & John 13:34)

 "I can't go on"
 My grace is sufficient (II Corinthians 12:9 & Psalm    91:15)

 "I can't figure things out"
 I will direct your steps (Proverbs 3:5-6)

 "I can't do it"
 You can do all things (Philippians 4:13)

 "I'm not able"
 I am able (II Corinthians 9:8)

 "It's not worth it"
 It will be worth it (Romans 8:28)

 "I can't forgive myself"
 I forgive you (I John 1:9 & Romans 8:1)

 "I can't manage"
 I will supply all your needs (Philippians 4:19)

 "I'm afraid"
 I have not given you a spirit of fear (II Timothy 1:7)

 "I'm always worried and frustrated"
 Cast all your cares on Me (I Peter 5:7)

 "I don't have enough faith"
 I've given everyone a measure of faith (Romans 12:3)

 "I'm not smart enough"
 I give you wisdom (I Corinthians 1:30)

 "I feel all alone"
 I will never leave you or forsake you (Hebrews 13:5)