Incest Survivors Support Group
Incest refers to any sexual activity between closely related persons that is illegal or socially taboo. Consensual adult incest is very rare. Incest between adults and prepubescent or adolescent children is a form of child sexual abuse that has been shown to be one of the most extreme forms of childhood trauma. If you or a loved one is a survivor of incest, join the group...

...expect to plateau a few times...plateaus are rotten.
You need to work out, too. If you have access to a pool, swimming's best. Bicycle riding is a good second choice. Don't try running until your weight is closer to normal.
You might try going vegan, it helps.
161 lbs is a super goal! Just keep in mind what the others have said and especially breaking: If you're burning more calories than you take in, you WILL lose weight, no question! Take care of you!