“I never expected to become a dad at 40!” Jets’ Aaron Rodgers exclaimed tearfully, overwhelmed with joy as he and his wife, Shailene, welcomed their first baby.

following their split.

The 38-year-old NFL star got sentimental on Instagram Monday, expressing his appreciation for his friends and loved ones. The Green Bay Packers quarterback began the post with a quote that read: “Gratitude is the wine of the soul. Go on. Get drunk.” thanks for letting me chase after you the first couple months after we met, and finally letting me catch up to you and be a part of your life.”

“Thanks for always having my back, for the incredible kindness you show me and everyone you meet, and for showing me what unconditional love looks like,” he added of the actress. “I love you and am grateful for you.”they were engaged.

“It was an amicable split; it just wasn’t working,” the source, who is close to Rodgers, told PEOPLE. “They’re very different people with busy careers and there were obstacles that they couldn’t surmount. They will remain friendly; there’s no bad blood and no drama. It just didn’t work out for them.”on subjects where they didn’t see eye to eye. “They are not talking about their politics, and they never really have,” said the source. “They disagreed on a lot of things. Early on, they decided to agree to disagree about things and not debate them.”