Looks like "Love on the Spectrum" fans are taking Abbey Romeo ’s breakup with David Isaacman harder than she is -- because she’s out here looking completely unbothered! Check the pics -- the newly-single reality star was spotted in L.A., soaking up the sunshine on a stroll with a friend Wednesday, smiling big and keeping it effortlessly cute in a laid-back outfit. No signs of heartbreak whatsoever ... Abbey had a definite pep in her step, deep in convo and looking like life’s just fine on her