Slower, more gradual weight loss (1-2 pounds per week), is healthier and it has been shown that people who lose lots of weight very fast tend to not stick with it in the long term. Slower weight loss, on the other hand, has been shown to be more successful in the long term.

https://www.cdc.gov/healthyweight/lo...ght/index.html

I know you are in a rush and want to see big changes right away, but that often leads to disappointment and feelings of failure. Be realistic.

Also, weight loss will not necessarily lead to you not being alone. There are many people in the healthy weight range who have a hard time finding partners. Think about the other positive benefits of weight loss, such as improved cardiovascular health, improved strength, etc. You need to learn to be happy with yourself before you can be in a healthy relationship, otherwise you will be dependent on others for your happiness and that will show (and likely scare them off).