public void getPeopleYouMightKnow() {
        ArrayList<String> ppl = new ArrayList<>();
        for (User user : followers) {
            if (user.getFollowers().size() == 0) {
                ppl.add("You might know " + user.getName() + "'s followees..."
                        + "but they don't follow anybody.:( ");
            } else {
                for (User personYouMightKnow : user.getFollowers()) {
                    if (!personYouMightKnow.getName().equals(this.getName())) {
                        boolean alreadyAdded = false;
                        for (String aux : ppl) {
                            if (aux.contains(personYouMightKnow.getName())) {
                                alreadyAdded = true;
                            }
                        }
                        if (!alreadyAdded) {
                            ppl.add("You might know: " + personYouMightKnow.getName() + ".\n");
                        }
                    }
                }
            }
        }
        System.out.println("Dear " + this.getName());
        for (String s : ppl) {
            System.out.println(s);
        }

    }