Favouriting matches, teams and competitions

Favouriting matches, teams and competitions

• How do I favourite matches, teams or competitions?
• What happens when I favourite a match, team or competition?
• Where can I find my favourited matches, teams and competitions?
• How do I 'unfavourite' a match, team or competition?
• I've unfavourited a team but I'm still getting notifications for one of their matches - why?