16 25 year old dating
However, generally speaking women mature earlier than men. they aren't (yet) setting up a home and living together.
Assuming your daughter is at least average maturity for her age, and there are no other worrying signs, I wouldn't worry too much. Your daughter is, as you point out, an adult with all that entails, including the freedom to make her own mistakes.
We married two years later, and had our first daughter 9 months after we married, with my wife still 19.
That was 20 years ago, so I can tell you how it turned out.
It's not likely that anything worse will happen to her with this "sensible" 25 year old, than what would happen with a random 17 year old.
Your daughter is an adult now, in all but the legal sense, so treat her like an adult.
He owns his own successful business although he still lives with parents.
She continues because the feelings she has are too strong. But I would be careful in how you deliver your feelings. Outline your concerns but let your daughter know you love and support her and that it is only natural for you to be worried.
A theoretical 17 year old man could equally, if not more so, be with her for only one reason.
Equally, becoming pregnant and having to postpone things such as career isn't age relevant. If the relationship develops, you could express your concerns, though not in a judgemental way - otherwise you could risk damaging your relationship with your daughter and pushing them together.
Recognize the powerful grip the 25 yr old has and that is normal. I would try and create a containment bubble around a situation you have limited control over but in reality you do have a way to contain the situation. Reinforce her education about the risks of getting pregnant and maybe set some soft rules like 'education comes first' Maybe she is in sixth form. It could be that the relationship is successful but if something goes wrong be sure she knows you are there for her if things collapse.
I get myself sick with worry in regards to my kids.
You are worried about your daughter missing opportunities (travelling, studies).