Sometimes it's just harder to remind yourself about what you're doing and why you're doing it... Other times, you have a great desire for it, but physically you're not responding the way you want. That presents other challenges. Then sometimes it all comes together.
In fact, corporate and union moneys go overwhelmingly to incumbents, so limiting that money, as Congress did in the campaign finance law, may be the single most self-denying thing that Congress has ever done.
Men often oppose a thing merely because they have had no agency in planning it, or because it may have been planned by those whom they dislike.