Of course you do. The practice of homosexual behavior is ALWAYS a chosen behavior. Take away the reasons for the choice and the whole issue goes away.
(The first law of homosexuality: 'Homosexuals' don't reproduce, they recruit.)
Seven Steps to Recruit proof your Child
The above link will prove very useful to you. I'd suggest reading it, your daughters may still be able to be recruit proofed.
All male 'homosexuals' share one or more of three common causes, being molested, having an absent or insufficient relationship with their father or being relentlessly teased by their peers while in their formative years. Eliminate the causes and you elininate the disease
(I believe that female 'homosexuals' deal with many of the same issues (especially molestation) but since the numbers of lesbians are so few the studies just haven't been done (or at least haven't crossed my path yet))
Unfortunately the child in this article will have to overcome all three of those issues in order to have a normal life. Of course reparative therapy will still be able to cuure him but it's far better not to be exposed to the disease in the first place.
(The third law of homosexuality: Any exposure of children to homosexual behavior is child abuse)