doing something exciting!

midlife crisis is the term one hears most often, but that, of course, has a more negative connotation, so perhaps midlife adjustment would fit, depending on the context

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Note added at 18 minutos (2009-08-31 22:33:25 GMT)
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Or

"Reinventing oneself/yourself at the halfway point in life..."


Reinventing Yourself by Parenting Weekly - [ Traducir esta página ]In order to enjoy a healthy and spirited life, the process of **reinventing oneself*** is refreshing, rejuvenating and necessary. ...
www.parentingweekly.com/.../reinventing_yourself.htm - En caché -

Best Way - Celebration Ideas for a 40th Birthday | eHow.com - [ Traducir esta página ]Most people consider the 40th birthday ***a halfway point in life.**** To commemorate the occasion, plan a "This is Your Life" celebration. ...
www.ehow.com/way_5240703_celebration-ideas-th-birthday.html - En caché -

On writing Dust « Christine Bongers - [ Traducir esta página ]I had reached ***a halfway point in life.** A busy career as a broadcast journalist, PR practitioner and lobbyist, had segued into home-based work and children. ...
christinebongers.wordpress.com/motivation-for-writing-dust/ - En caché - Similares -

Cork Film Festival - [ Traducir esta página ]Fragile captures a time when one feels ***a halfway point in life***, loved yet alone. Fragile is superbly photographed with a powerful use of mise-en-scene. ...
www.corkfilmfest.org/2003/news/awards.html - En caché - Similares -

another option!

suggestion

Midpoint Check-In « live. laugh. love.
It means I'm taking stock of what is really important in life and knowing that ... with someone outside your family or daily friends (someone a little more ...
livelaughlove95.wordpress.com/2009/06/.../midpoint-check-in

Spanish term (edited): Renovarse a “mitad de camino” de la vida es una sabia decisión.

Comments:

1.
Given that this is a message sent to a friend, I think a literal translation of any kind of the phrase "mitad de camino" ("in your middle years"; "at the midpoint of your life"; "halfway through life," etc.) would sound rather stilted. It is hard to imagine someone using such language when talking/writing to a friend.

2.
The phrase "mitad de camino" need not be translated at all, for it will be readily understood. Therefore "at this point in your life" would seem to suffice.

3.
Regarding "es una sabia decision," once again, it is hard to imagine someone non-ironically praising his/her friend's "wise decision" in a presumably heartfelt message written in a greeting card. It is more likely that language like "a good move" would be used between friends.

My suggestions here are premised on the assumption that we are talking about a personal handwritten message, and not wording that has been pre-printed on the card.......

:)

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Note added at 3 hrs (2009-09-01 02:10:29 GMT)
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OR:

....seems to be a great idea
....is a [really] great idea

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