Take a breath — conversation volume, low and easy, the way Module 1 taught you — and look back for a moment.
When you started this course, "can you actually learn to sing?" was still an open question for you. Twenty lessons later, you sing sirens that merge with the note. You breathe from the fuel line, not the shoulders. You can name chest voice and head voice because you have felt them, match pitch on purpose, read intervals like Lego bricks, keep time, find your range on a map you drew yourself, shape a song with dynamics, say its words cleanly, walk on stage knowing exactly what the adrenaline will do, use a microphone instead of fighting it, record yourself honestly — and you own three songs no situation can take away from you.
That is not "interested in singing." That is a singer with a practice. The last question is where a singer with a practice goes next. Here are the four main roads — they combine happily.
Road one: a choir or singing group
The single best next step for most people. Choirs give you what a phone app never can: other voices around yours, a regular schedule you did not have to build, harmony (your interval training suddenly becomes a superpower), and performances with the safety of numbers — the gentlest possible step up your courage staircase. Community choirs in most towns welcome beginners and many hold no auditions at all. Cost: usually free to modest.