His character could become more closed - off. Losing Peter, who was such an important part of his life, might make Yondu build higher walls around himself to avoid getting hurt again.
The funeral rites of the deceased mother-in-law were usually used to express their nostalgia for their mother-in-law and to pay their last respects to her. The following is a possible eulogy for his mother-in-law after her death:
Dear mother-in-law,
After your immortal world, we are deeply saddened and reluctant to part with you. We offer you our deepest condolences and express our thoughts and gratitude.
You are a kind, intelligent, and hardworking woman who has made great contributions to your family and children in your life. You've set an example for us and taught us a lot of useful knowledge and skills. We are deeply grateful for your love and care for us, and thank you for bringing endless beauty to our lives.
After your death, we will continue to follow your teachings and work hard, cherish our families, love others, and strive for our future. We will also miss you, miss your love and teachings, miss the wonderful memories you have created for us.
We send you our last greetings and blessings. May you rest in peace and may your spirit continue to guide us in the other world. We will always miss your mother-in-law.
I pray that my mother-in-law will always be healthy, safe, and happy in heaven.
Your descendants and your nostalgic ones