When Jennifer Aniston married Brad Pitt in July of 2000 friends said he was the first man she'd truly loved. But Justin Theroux has since won her heart and the two are now reported to be planning a family.Today is Justin's 40th birthday and he and his friend are doubtless marking that fact in their $7,000-a-day vacation compound in Kauai, Hawaii. And friends say the conversation could well cover marriage and ...