Consequently no
statement can be made about anything in him, about one component in the plurality of his essential constitution, which can be
quite without significance for the rest of him, nor could any
statement be adequate even in a limited way, unless its actual
precise meaning were drawn from its relation to the one human being in his unity.
To say you have a «heteronormative sexual ethic» is
quite clear,
precise, and I don't believe would be offensive since it is more a
statement of fact than something implied.