Complex sentence: For most of her life, she limited her physical contact with others, including her on-off love interest, Gambit; but, after many years, Rogue finally gained full control over her mutant ability.
Split into simpler sentences: For most of her life, she limited her physical contact with others, including her on-off love interest, Gambit. However, after many years, Rogue finally gained full control over her mutant ability.