I run to and from the gym (~15 min), mostly do compound exercises like ohp / squat / deadlift / bench press for 1-2 hours 3 times a week. I'm usually home before 9PM and cook / continue with my day. Unless you have to chop wood when you get back home you'll be fine.
Even after bouldering for hours to the point of not being able to hold a glass of water in my hand I've never been "so exhausted that the rest of the night is down the drain.", and I'm far from being a genetic freak or a good athlete.
I used to be your average 70kg skinny fat teen, that was 4 years ago when I decided to do something to not end up like all the chubby 30+ years old guys I was seeing daily and who were unable to go up 4 flights of stairs without panting, at some point you have to take decisions for yourself. It's not some bs like "you can be the next Einstein/Musk/Bezos if you try hard enough", there is no luck involved, no barrier to entry. The hard truth is that there is no magic bullet, no quick ways to do it, you just have to get up and move, be it cycling, lifting weight, running, swimming.
It's pure lack of motivation/confidence, once you get started everything falls in place and gets easier. 3 or 4 hours of quality workout a week, even at home, will change your body in a few month and you'll never look back. And if you can't find 3 or 4 hours a week to take care of your most precious physical possession (your body) I guess you have bigger issues to take care of.
If you are in reasonable shape recovering after a 30 minute workout will not take much more than the time it take for a quick shower. After that time you will have much more energy compared to what you did have before starting to get in shape
I'm currently doing a Texas-method-based lifting program: three-days, medium-light-heavy. The "medium day" is mostly volume with (e.g.) 5x5 squats at 90% for example; I'm zonked after. My light/recovery day I'm only doing 70-75%. The heavy/intensity day it's 1x5 100% (or trying to reach five reps).
Of course if you're going an HIIT program, then yes, you should probably fairly drained afterwards.
So what? The idea that you need to go balls to the wall to benefit from exercise is probably why so many people fail at it. You get plenty of benefits by simply getting up and going for a bloody walk for 30 minutes.
Even after bouldering for hours to the point of not being able to hold a glass of water in my hand I've never been "so exhausted that the rest of the night is down the drain.", and I'm far from being a genetic freak or a good athlete.
I used to be your average 70kg skinny fat teen, that was 4 years ago when I decided to do something to not end up like all the chubby 30+ years old guys I was seeing daily and who were unable to go up 4 flights of stairs without panting, at some point you have to take decisions for yourself. It's not some bs like "you can be the next Einstein/Musk/Bezos if you try hard enough", there is no luck involved, no barrier to entry. The hard truth is that there is no magic bullet, no quick ways to do it, you just have to get up and move, be it cycling, lifting weight, running, swimming.
It's pure lack of motivation/confidence, once you get started everything falls in place and gets easier. 3 or 4 hours of quality workout a week, even at home, will change your body in a few month and you'll never look back. And if you can't find 3 or 4 hours a week to take care of your most precious physical possession (your body) I guess you have bigger issues to take care of.