you sing in front of a mirror and record yourself. remember it is very important to be confident! and if, after recording you think that your voice is sweet, sing a song in front of others and don't be nervous.
i say you can sing and you can play. if you just follow the proper singing lessons and proper instrument basics, you can sing and play. it is not difficult but simple. all you have to do is to put some effort. just to practice and that is all what matters.
i don�t know the future, i guess anything can happen. because we go out with the same friends we have and 