How good you are and how fast you are depends largely on how you train, but you can learn to sing skillfully reliably, with power, beauty and great ease, at any age. You may feel like singing well, but also be skeptical that it's worth a try for several reasons. Yes, you can learn as an adult, but it will be harder for you to find the free time to develop the skill without a certain level of discipline. With a little dedication and a lot of hard work, anyone of any age can learn to sing.
I made things much more difficult for me by not enjoying the learning process and being too critical of myself. Singing isn't a competition or a career; it's about developing your tools to express exactly what you feel in your heart in a way that's heard in your voice. If you've taken singing lessons before, your vocal coach probably went over a lot of breathing techniques and a lot of warm-up before you started singing. Feeling that singing is a task will be detrimental to your progress and will make you give up very quickly.
The worst thing that could have happened was a reaction like “Sorry dude, but there is no way you can learn to sing. Just as there isn't too old to start singing, there's no such thing as too old to start a singing career if you really want one. Once the vocal instrument is working, the ability to sing with good intonation depends on musical aptitude and musical achievement. And sometimes they can be a good start to try the water and find out if learning to sing is something you're really passionate about.
I hope that the visitors to melena will take your advice into account and hopefully take the plunge and try to sing for themselves. While some factors are genetic, Rutkowski says that growing up in a musical environment strongly influences whether someone sings well and confidently. Whether you want to be an amateur or a professional singer, making time to practice regularly is key to seeing some tangible progress. I can't play the same notes as someone like Mariah Carey, but I've definitely improved my comfortable singing range in both directions, and I can help you do the same.
So if someone really wants to sing, and in some people it is a real necessity, then never be afraid to seek professional help. Obviously I don't expect to reach a level where I can sing professionally, but I would love to get to a point where listening to me sing isn't embarrassing.