36. After everything we have been through together, I love you more than when we started. Happy birthday — here's to everything still ahead of us.
37. You have seen every version of me and stayed anyway. Happy birthday — that means more to me than I can put into a card.
38. Happy birthday to the person who has been my home base through everything. I would choose you in every version of this life.
39. Happy milestone birthday! You keep getting better and I keep getting luckier. That is not a coincidence.
40. Happy birthday to my girlfriend, my best friend, and the person I most want to be with at the end of every day. I love you.
41. Happy birthday! I love the life we have built together and I love you for helping build it. Today is all yours.
42. Happy birthday to the woman who has made the last [X] years the best of my life. I cannot wait to see what the next ones look like.
43. Happy birthday! Loving you has been the easiest and the most rewarding decision I have ever made. Thank you for being you.
44. Happy birthday to the person who has made my ordinary days the best ones. I love you completely.
45. Happy birthday! You deserve a year as great as you have made mine. I hope today is the start of exactly that.
46. Happy birthday to the woman who has my whole heart. Not a part of it — the whole thing. I love you.
47. Happy birthday! I am still the luckiest person in this relationship. I intend to stay that way by appreciating you properly.
48. Happy birthday to my girlfriend — the most interesting, most genuine, most wonderful person I have ever been lucky enough to love.
49. Happy birthday! There is no version of my life I want that does not have you in it. Today is yours — celebrate yourself the way you deserve.
50. Happy birthday to the woman who is my favourite part of every day, every week, and every year. I love you more than I know how to say.
51. Happy birthday! You make everything better — the good days, the hard ones, and all the completely ordinary ones in between.
52. Happy birthday to the woman who makes me laugh every single day and feel loved every single night. That combination is rare and I know it.
53. Happy birthday! I am grateful for you on your birthday and every day between now and the next one. You are everything.
54. Happy birthday to the person who showed me what it feels like to be genuinely chosen. I do not take that lightly.
55. Happy birthday! You are worth every grand gesture and every quiet Tuesday. I love you in both kinds of moments.
56. Happy birthday to my girlfriend — who is brilliant, kind, ridiculous in the best way, and endlessly herself. I love all of it.
57. Happy birthday! Choosing you was the best decision I have made. I would make it again in every version of my life.
58. Happy birthday to the woman who has made every year better just by being in it. Here's to many more.
59. Happy birthday! May this year bring you everything you deserve — which starts with being celebrated the way I see you every single day.
60. Happy birthday, girlfriend. You are loved — specifically, completely, and without condition. Today and always.