Everything on this site assumes you are playing with money you can afford to lose, for fun. If that has stopped being true, the rest of this page matters more than any ranking we publish.
Chasing losses with bigger stakes. Gambling with money set aside for something else. Borrowing to play, or hiding how much you play from people close to you. Feeling you need to gamble to feel normal, or being unable to stop when you planned to. Lying about it. Any one of these is worth a conversation; several together is worth a call today.
Deposit limits set in advance are the single most effective control, because they bind you before you are tempted. Loss and session limits do the same for time and losses. Reality checks interrupt long sessions. Cooling-off locks an account for a short period; self-exclusion locks it for months or years and cannot be undone on a whim, which is the point. Every reputable operator offers these and a good one makes them easy to find.
If your site offers reverse withdrawal, turn it off. It lets you cancel a pending cashout and put the money back into play, and it has cost people wins they had already decided to take. Withdrawing to a rail you cannot instantly redeposit from is a simple and effective safeguard.
The helplines above support family and friends, not only players. You do not need the person's permission to call and ask what your options are.