Any film that gives the underrated Alexis Arquette a starring role can't be all bad, but this formulaic coming-of-age ensemble piece isn't really all that good, either. A gay-friendly '90s take on St. Elmo's Fire, the picture suffers from the same awkward scripting as Pool Days, an earlier short from writer/director Brian Sloan. Well-intentioned and likable as it is, the film simply doesn't pack enough interesting characters or plot twists to engage on anything but a superficial level. The observational humor -- about stressful weddings, abandoned youthful ideals, and twentysomething soul-searching -- occasionally rises above its well-worn themes. But the mostly game cast simply can't compensate for the thin characterizations of Sloan's script. Guillermo Diaz is his usual touching and playful self, but sardonic bride-to-be Lauren Velez gets the best lines, scenes, and emotional range. That's too bad, because Arquette's a good enough actor that given half a chance he could have carried the film. Ultimately, though, his romance Christian Maelen packs so few surprises that it drags everything else down with it. I Think I Do probably won't leave audiences completely cold, but most will probably find themselves saying halfheartedly, "I think I liked it."