Do not worry @burkulese.
We all do it when new....we simply do not know any better.
And besides, unless on buys a significant amount of steem power to start, it doesnt really matter much until one has some voting power. That said, habits are formed early and it is a good practice to be mindful of the voting power.
Plus without the slider bar on steemit.com which comes at about 500 SP, you have to vote at 100% which uses up your power.