Don't fret. We all do it.
Not unreasonable. We all do what we know how to do often, even though we know we would rather do otherwise if we just knew how. I sometimes even go back and use MS Paint to do something when I can't get my graphics program to do what I want, even though I know I could do it better if I could just get the better tool to work.
If I understand what you are saying in this case, the solution is simple with CSS— in fact it is almost the same as what you did with the table. You didn't turn on a wrap there either, just set a width. That is what you do with CSS. Just identify the tag you want to "wrap," either with the tag (even "body"), or most often with a class or id name, and set its width (ex., "width: 200px"). The text will then "wrap" within that width.
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