DEAR MISS MANNERS: Yet another Mother’s Day and birthday have come and gone with no gift from my husband. What’s worse, to me, is that he has done nothing to show our two little boys how to acknowledge Mommy on any special occasion. On many occasions over the years, I have told my hubby point-blank that I don’t care if he just takes the boys to the drugstore to pick up a tube of lip balm for me. I don’t care if they draw a picture, bring home a seashell, paint on a rock or pick some flowers. But to no avail. I am a strong, secure, educated, independent middle-aged woman, not some teenaged girl…