lol Johnny nailed it.

The perfect movie style kiss is the result of practice (or in a literal since, years of acting training or CGI

). If it was your first kiss with this guy and you haven't kissed much, I don't think it's odd at all for it not to be immediately perfect.
Relax, and take some assurance that things will get better.
And congratulations on your new relationship!

I wish you both the best.