Inclusion Criteria:  - 1. Age between 16 - 25. 2. Type 1 diabetes, as defined by World Health Organisation (WHO) for at least 1 year or is confirmed C-peptide negative. 3. HbA1c between 7.5 - 14.0% based on analysis from local laboratory or equivalent within 3 months of enrolment.  4. Has an Apple smartphone compatible with Dexcom G6. 5. Willingness to download the LovedBy app on their smartphone. 6. Willingness to wear an apple smartwatch. 7. Willingness to wear a Dexcom CGM. 8. Literate in English.  Exclusion Criteria:  1. Non-type 1 diabetes mellitus including those secondary to chronic disease. 2. Biphasic insulin MDI pen users. 3. Any other physical or psychological disease is likely to interfere with the normal conduct of the study.  4. Untreated coeliac disease or hypothyroidism. 5. Current treatment with drugs known to interfere with glucose metabolism, e.g. systemic corticosteroids, Metformin, SGLT2 inhibitors, GLP-1 agonists, non-selective beta-blockers, MAO inhibitors etc.  6. Medically documented allergy towards the adhesive (glue) of plasters or unable to tolerate tape adhesive in the area of sensor placement. 7. Serious skin diseases (e.g. psoriasis vulgaris, bacterial skin disease) located at places of the body, which could potentially be used for localisation of the glucose sensor. 8. Lack of reliable telephone facility for contact. 9. Known or suspected allergy against insulin. 10. Severe visual impairment. 11. Severe hearing impairment. 12. Not proficient in English. 13. Pregnancy, or planning for pregnancy.