This page gives an overview of the legal parts of restraining orders. Your petition has to fall into one of four categories (see the included statutes). For example, "domestic violence" is where you have "reasonable cause to believe he or she is in imminent danger of becoming a victim between individuals 'who are spouses, former spouses, or persons related by blood or marriage who are residing or have resided together as a family, or individuals who are residing together or have resided together as if family, or individuals who have a child in common'", but "repeated violence" is "'two acts of violence or stalking' on two separate occasions, one of which must be within the past 6 months". Let's say this falls into the "repeated violence" category. The associated form gives a bit of guidance. You would want to consult Fla. Stat. §784.046 and especially §784.048, which explains what it means to "harass" or "stalk". To wit:
“Harass” means to engage in a course of conduct directed at a specific
person which causes substantial emotional distress to that person and
serves no legitimate purpose.
A person who willfully, maliciously, and repeatedly follows, harasses,
or cyberstalks another person commits the offense of stalking, a
misdemeanor of the first degree, punishable as provided in s. 775.082
or s. 775.083.
The statute doesn't define stalking, but it seems that "harassing" is potentially applicable. The court then must judge the defendant's course of conduct to decide if it is directed at a person and causes substantial emotional distress for no legitimate purpose. Since you are asking the court to limit the rights of another person, you have to establish that the person's course of conduct is in fact prohibited by law, so it you don't do that, the petition is unlikely to be granted.