You know you are forty when you stop using Facebook to socialize and start using it to spy on your kids. Happy 40th birthday.
Happy 40th birthday! My life is heaven on earth with you in my world. Let's make your big day as heavenly as you are, my angel.
Happy 40th birthday! You are beauty personified. Everything about exudes beauty, from your soul to your heart. Our life is beautiful because of you.
Your genes and DNA should be bottled up and preserved because you seem to be getting younger with every passing year. Happy 40th.
You are definitely forty if you notice that all your sentences start from ‘When I was younger…’ Happy birthday.
Happy 40th birthday! I don't even want to fathom what my life (or what I) would become without you. You are my life. I love you madly.
Open up, be free, rise above the memories of your past’s dark lanes. Life is too precious to let regret and hate remain. Happy birthday.
Happy 40th birthday! You make my life complete. I lack for nothing with you in my life. I have all the joy and love I need and want.
Do you have some spare time in your life? Then maybe this is the right time to start searching for the Fountain of Youth! Happy fortieth.
Happy 40th birthday! I love every aspect of our life together. We are true soulmates in love.
Happy 40th birthday! We love you. You can always depend on us to support you through your forties and forever.
Stop waiting for perfect moments in your life. Every second is as perfect and as priceless as you want it to be. Happy 40th birthday.
Strive to be a 40-year old that makes people go ‘I wanna be like that when I turn forty’ Happy birthday.
Happy 40th birthday! Wishing you a birthday with all joy and wonder you deserve and a decade full of all the great things life has to offer.
The best part about turning forty is that you can blame everything on midlife crisis. Happy birthday.
Happy 40th birthday! I’m so blessed to have you as my son. You have always made me so proud!
The funny thing about age is that the more you think about it, the older you feel. Happy birthday.
Happy 40th birthday! We're so proud of you. You've turned into a kind, loving grownup!
Maturity and wisdom are great assets to have, but they are useless if you don’t unburden your life’s liabilities with smiles and laughter. Happy 40th birthday.