"good things come in threes" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "proverb",
        "head": ""
      },
      "expansion": "good things come in threes",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "good things come in threes",
      "name": "en-proverb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "proverb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English proverbs",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Three",
          "orig": "en:Three",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: bad things come in threes"
        }
      ],
      "glosses": [
        "If a fortunate event has already occurred twice, a third fortunate event is likely to occur."
      ],
      "id": "en-good_things_come_in_threes-en-proverb-eDqt-oqR",
      "links": [
        [
          "fortunate",
          "fortunate"
        ],
        [
          "twice",
          "twice"
        ]
      ],
      "related": [
        {
          "word": "third time's a charm"
        },
        {
          "word": "third time lucky"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "note": "not exclusively of good things",
          "sense": "several fortunate events usually occur together",
          "word": "ei kahta ilman kolmatta"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "several fortunate events usually occur together",
          "word": "jamais deux sans trois"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "several fortunate events usually occur together",
          "word": "non c'è due senza tre"
        },
        {
          "code": "pl",
          "english": "fortunate things come in pairs",
          "lang": "Polish",
          "sense": "several fortunate events usually occur together",
          "word": "szczęścia chodzą parami"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "bog tróicu ljúbit",
          "sense": "several fortunate events usually occur together",
          "word": "бог тро́ицу лю́бит"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "several fortunate events usually occur together",
          "word": "alla goda ting är tre"
        }
      ]
    }
  ],
  "word": "good things come in threes"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "proverb",
        "head": ""
      },
      "expansion": "good things come in threes",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "good things come in threes",
      "name": "en-proverb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "proverb",
  "related": [
    {
      "word": "third time's a charm"
    },
    {
      "word": "third time lucky"
    }
  ],
  "senses": [
    {
      "categories": [
        "English lemmas",
        "English multiword terms",
        "English proverbs",
        "en:Three"
      ],
      "examples": [
        {
          "text": "Coordinate term: bad things come in threes"
        }
      ],
      "glosses": [
        "If a fortunate event has already occurred twice, a third fortunate event is likely to occur."
      ],
      "links": [
        [
          "fortunate",
          "fortunate"
        ],
        [
          "twice",
          "twice"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "note": "not exclusively of good things",
      "sense": "several fortunate events usually occur together",
      "word": "ei kahta ilman kolmatta"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "several fortunate events usually occur together",
      "word": "jamais deux sans trois"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "several fortunate events usually occur together",
      "word": "non c'è due senza tre"
    },
    {
      "code": "pl",
      "english": "fortunate things come in pairs",
      "lang": "Polish",
      "sense": "several fortunate events usually occur together",
      "word": "szczęścia chodzą parami"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "bog tróicu ljúbit",
      "sense": "several fortunate events usually occur together",
      "word": "бог тро́ицу лю́бит"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "several fortunate events usually occur together",
      "word": "alla goda ting är tre"
    }
  ],
  "word": "good things come in threes"
}