find some female friends first. and i specifically don't mean try to just date women. friendship without expecting to get married is a better startingpoint.

start here https://news.ycombinator.com/item?id=31713720 and maybe here: https://news.ycombinator.com/item?id=29100862

online dating can work, but only if both partners are open to a serious conversation of your respective expectations from a relationship. or of you both accept that building a relationship takes time to get to know each other.

Having recently found a partner, I never want to go through the search / date / getting known each other process ever again. If you did not get to known someone from young age, the dating culture gets increasingly worse